Корисник:РудиЧајевац/песак — разлика између измена

С Википедије, слободне енциклопедије
Садржај обрисан Садржај додат
Нема описа измене
ознака: уређивање извора (2017)
Нема описа измене
ознака: уређивање извора (2017)
Ред 1.294: Ред 1.294:
#ifeq: {{NAMESPACE}}:{{SUBPAGENAME}} | User:{{BASEPAGENAME}}
#ifeq: {{NAMESPACE}}:{{SUBPAGENAME}} | User:{{BASEPAGENAME}}
}}</includeonly><noinclude><br style="clear: both;">
}}</includeonly><noinclude><br style="clear: both;">
----

'''M2 митраљез''' или '''Browning .50 калибар митраљез''' је [[тешки митраљез]] дизајниран предкрај [[World War I|Првог свјетског рата]] од стране [[John Browning|Џона Браунинга]]. Дизајн је сличан ранијем Браунинговом [[M1919 Browning machine gun|митраљезу]], који је био дизајниран за [[.30-06 Springfield|.30-06]] калибар. M2 користи много већи и моћнији [[.50 BMG]] (12.7 mm) калибар, који је разивјен упоредо и и своје име носи по самом оружју (BMG значи ''Browning machine gun''). Означен је као "Ma Deuce",<ref>{{cite book |last=Rottman |first=Gordon |title=The US Army in the Vietnam War 1965–73|publisher=Osprey Publishing |location=Reading |year=2008 |isbn=978-1-84603-239-4|page=56}}</ref> у односу на његову M2 номенклатуру. Дизајн је имао много специфичних ознака; званична америчка војна ознака за тренутни пјешадијски тип је '''Browning Machine Gun, Cal. .50, M2, HB, Flexible'''. Ефикасан је против пјешадије, неоклопљених или лако оклопних возила и чамаца, лаких утврђења и нисколетаних авиона.

The Browning .50 caliber machine gun has been used extensively as a vehicle weapon and for aircraft armament by the United States from the 1930s to the present day. It was heavily used during [[World War II]], the [[Korean War]], the [[Vietnam War]], the [[Falklands War]], the [[Soviet–Afghan War]], the [[Gulf War]], the [[Iraq War]], and the [[War in Afghanistan (2001–present)|War in Afghanistan]] in the 2000s and 2010s. It is the primary heavy machine gun of [[NATO]] countries and has been used by many other countries as well. The M2 has been in use longer than any other [[Small arms|firearm]] in U.S. inventory except the [[.45 ACP]] [[M1911 pistol]], also designed by John Browning.

The current M2HB is manufactured in the U.S. by [[General Dynamics]]<ref>{{cite web |url=http://www.defense.gov/contracts/contract.aspx?contractid=4360 |title=Contracts for Friday, September 03, 2010|publisher=Defense.gov |access-date=2011-09-19 |url-status=dead |archive-url=https://web.archive.org/web/20110529135851/http://www.defense.gov/contracts/contract.aspx?contractid=4360 |archive-date=May 29, 2011}}</ref> Ohio Ordnance Works,<ref>{{Cite web |title=.50 M2HB QCB (M2A1) |url=http://oow-govmil.com/firearms/50-m2hb-qcb-2/ |work=Ohio Ordnance Military |access-date=2020-08-24}}</ref> and [[U.S. Ordnance]]<ref>{{cite web |url=http://www.defense.gov/contracts/contract.aspx?contractid=4072 |title=Contracts for Wednesday, July 15, 2009 |publisher=Defense.gov |access-date=2011-09-19 |url-status=dead |archive-url=https://web.archive.org/web/20110529135853/http://www.defense.gov/contracts/contract.aspx?contractid=4072 |archive-date=May 29, 2011}}</ref> for use by the U.S. government, and for allies via [[Foreign Military Sales]], as well as by foreign manufacturers such as [[FN Herstal]].

Верзија на датум 20. јул 2021. у 16:16

ПоријеклоНацистичка Њемачка
Употреба
Употреба уНацистичка Њемачка
Бојно дјеловањеДруги свјетски рат


Историја

Карактеристике

Референце



Руди || 21:18, 23. март 2020. (CET) — Snake || 09:22, 10. јул 2020. (CEST)

  1. Snake || 09:24, 10. јул 2020. (CEST)
󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠
󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠
󠀠 󠀠 󠀠 󠀠
󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠
󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠 󠀠






Штумгевер 44
ПоријеклоНацистичка Њемачка
Употреба
Употреба уНацистичка Њемачка
Бојно дјеловањеДруги свјетски рат
Спецификације
Маса5.22 kg
Дужина940 mm
Калибар7,92x33 mm
Врста операцијегас
Начин дејствааутоматски
Брзина паљбе500 - 600 мет/мин
Макс. еф. домет300 m
Магацин30 метака
Нишанмеханички

Штурмгевер 44 (нем. Sturmgewehr 44) је прва немачка јуришна пушка из периода Другог светског рата, претеча данашњих аутоматских пушака. Студије развоја започеле су 1942. и наставиле се до 1944. Неколико модела је произведено у различито вријеме, као што је МП 43, почетни исход дизајнерских радова на јуришној пушки, Запад и посебно током битке за Нормандију. Извештаји о ефикасности оружја веома су охрабрујући за Немце који одлуче да наставе са побољшањима.[1]

Историја

Током Првог свјетског рата, њемачки инжињер Хуго Шмајсер је закључио да су 7.92mm пушке врло незгодне за јуриш на ровове и зато је развио компактно аутоматско оружје помоћу метака пиштољског калибра који су жртвовали тачност великог домета за мале димензије, малу масу и смањени одбој. Године 1934. Хересвафенамт (војни биро за наоружање) почео је да развија метке средњег домета са скраћеном чауром и смањеном количином барута, и даље способне за ефикасан домет од 400 метара. Године 1938. Амт је издао уговор Ц.Г. Хаенел Вафенфрабрик ће развити машински карабин за настали „7,92x33mm Infanterie Kurz Patrone“ или кратки метак, способан да служи и као аутомат, и као аутоматска пушка, и максимално користи утиснуте металне дијелове како би поједноставила производњу. Главни Хаенелов инжењер Хуго Шмајсер прихватио је изазов постављањем цијеви и кундака у равну линију како би се смањио удар повратног удара, са пиштољским рукохватом за окидач и постављањем нишана. Гасна акција покретала је клип који је покретао затвараћ, а пушка је била сва метална, осим код кундака.

До 1940. године Шмајсер је изнио своје основне ствари, али бројни технички проблеми претходили су његовом прихватању. Погон Хаенел могао је да поднесе мали степен потребне обраде, али није имао алате за штампање, па су они подуговарани са другим компанијама, попут ЕРМА и Мерзверке, које су у том процесу редизајнирале неке дијелове. [2] Од самог почетка, дизајн је требало да обезбеди Њемачкој оружје које би се могло масовно производити, јер су ратни ресурси постајали све оскуднији са сваке године. Користећи Руски фронт као развојни полигон од јула 1943. надаље, пушка се у свом садашњем облику развила у серију МП43 као МП43/1. Овај нови облик омогућио је да се на цијев причврсти бацач граната и садржао је одредбе за постављање оптичких нишана.

Како је рат одмицао, развој МП43 претворио се у систем МП44 који је на крају уступио мјесто новој ознаци Штурмгевер СтГ44 - што је преведено у оно што данас идентификујемо као пушку. Ово је ефективно промијенило идеју ознаке „машински пиштољ“ (по узору на аутомат) у потпуно нову врсту оружја у свијету јуришних пушака. [3] Послије битке за Нормандију, ово оружје користе и њемачке снаге током битке код Ардена. Дизајн јуришне пушке АК-47, који је развио Михаил Калашњиков, у великој мери је инспирисан од стране СТГ 44.[1]

Опис

Штурмгевер 44 са оптичким нишаном.

МП 43, МП 44 и СтГ 44 биле су различите ознаке за у суштини исту пушку са мањим допунама у производњи. Разноликост у номенклатурама резултат је сложене бирократије у нацистичкој Њемачкој.[4] Развијен од Mkb 42(H) "машинског карабина", СтГ 44 је комбиновао карактеристике карабина, аутомата, и аутоматске пуше. СтГ је скраћеница од Sturmgewehr. Према једном извjештају, име је лично одабрао Адолф Хитлер[5][6] из пропагандних разлога и значи „јуришна пушка“ као и „напасти непријатељски положај“, мада неки извори оспоравају да је Хитлер осим потписивања наредбе имао и много везе са ковањем новог имена.[7] Након усвајања СтГ 44, енглески превод „јуришна пушка“ постао је прихваћена ознака за ову врсту пјешадијског малог оружја. Током његове производње дошло је до мањих промена на задњем дијелу, компензатору трзаја, облику основе предњег нишана и степеништу цеви.

Пушка је била направљена за 7.92×33mm Kurz метак.[8][9] Ова краћа верзија њемачке стандардне (7,92×57 мм) пушке, у комбинацији са дизајном селективне ватре оружја, пружила је компромис између контролисане ватрене снаге аутомата из непосредне близине са тачношћу и снагом карабина 98 на средњим дометима. Иако је СтГ 44 имао мањи домет и снагу од моћнијих пешадијских пушака тог дана, армијске студије показале су да се мало борбених дејстава десило на више од 300 m (330 yd) а већина на удаљености од 200 m (220 yd). Пушчани меци пуне снаге били су претјерани за већину употреба просјечног војника. Само обучени специјалиста, попут снајпера, или војници опремљени митраљезима, који су испаљивали више метака на познату или сумњиву мету, могли су у потпуности да искористе опсег и снагу стандардног пушчаног метка.

Британци су били критични према оружју, рекавши да би пријемник могао бити савијен и затварач закључан самим чином куцања наслоњене пушке на тврди под.[10] Америчка процена у касном рату исмијавала је СтГ 44 као „просјечни“, „гломазан“ и „незграпан“, проглашавајући га неспособним за аутоматску ватру и склоном ометању, мада је извјештај прихватио да је његова тачност „одлична за оружје тог типа".[11]

Референце

  1. ^ а б www.dday-overlord.com https://www.dday-overlord.com/en/material/weaponry/sturmgewehr-44. Приступљено 2020-12-20.  Недостаје или је празан параметар |title= (помоћ)
  2. ^ „TBT: The real story behind the legendary Stg-44 Sturmgewehr rifle”. Military Times (на језику: енглески). 2019-12-12. Приступљено 2020-12-19. 
  3. ^ „Sturmgewehr 44 (StG44) / Maschinenpistole 44 (MP44) Assault Rifle”. www.militaryfactory.com (на језику: енглески). Приступљено 2020-12-21. 
  4. ^ „Nazi Germany”. History.com. 
  5. ^ Chris Bishop (2002). The Encyclopedia of Weapons of World War II. Sterling Publishing Company, Inc. стр. 218. ISBN 9781586637620. 
  6. ^ Military Small Arms of the 20th Century, 7th Edition, Ian V. Hogg, page 243
  7. ^ Rottman, Gordon (јануар 2012). The AK-47: Kalashnikov-series assault rifles. Osprey Publishing. стр. 9. ISBN 978-1-84908-835-0. 
  8. ^ Small Arms Review, Vol. 7 No. 4, January, 2004
  9. ^ Barnes, Frank C. (1997) [1965]. McPherson, M.L. (ed.) Cartridges of the World (8th ed.). DBI Books. pp. 294, 311. ISBN 0-87349-178-5.
  10. ^ Shore, C. (Capt.), With British Snipers to the Reich, Samworth Press, 1948 [потребна страна]
  11. ^ Tactical and Technical Trends, U.S. War Department, No. 57, April 1945, [1]

Спољашње везе

















Руди || 10:50, 2. април 2020. (CEST)

Застава М57
Застава M57A.
ВрстаПиштољ
ПореклоСоцијалистичка Федеративна Република Југославија СФРЈ
Употреба
Употреба уЗемље са простора бивше Југославије, приватне фирме за безбедност, цивилна лица.
Бојно деловањеРатови током распада СФРЈ
Производња
ПроизвођачЗастава Оружје
ВаријантеM70A
Спецификације
Маса0,86 kg
Дужина200 mm
Калибар7,62 x 25 mm
Врста операцијекратки трзај цеви
Начин дејстваполуаутоматски
Брзина паљбе2000 мет/мин
Брзина зрна480 m/s
Макс. еф. домет50 m
Магацин9 метака
Нишанмеханички


Погледај још

Спољашње везе



Овај чланак користи алгебарску шаховску нотацију како би се описали шаховски потези.


РудиЧајевац/песак
abcdefgh
8
a8 black rook
c8 black bishop
d8 black queen
e8 black king
f8 black bishop
g8 black knight
h8 black rook
a7 black pawn
b7 black pawn
c7 black pawn
d7 black pawn
f7 black pawn
g7 black pawn
h7 black pawn
c6 black knight
b5 white bishop
e5 black pawn
e4 white pawn
f3 white knight
a2 white pawn
b2 white pawn
c2 white pawn
d2 white pawn
f2 white pawn
g2 white pawn
h2 white pawn
a1 white rook
b1 white knight
c1 white bishop
d1 white queen
e1 white king
h1 white rook
8
77
66
55
44
33
22
11
abcdefgh
Потези1. е4 е5 2. Сф3 Сц6 3. Лб5
ЕХОC60—C99
ПореклоГетиншки рукопис, 1490. године
Названо поШпанија
ГлавноОтворене игре (шах)

Шпанска партија је шаховско отварање које почиње потезима:

1. е4 е5 2. Сф3 Сц6 3. Лб5

Једно је од најзаступљенијих и најпопуларнијих отварања. Садржи велики број огранака, варијаната и подваријаната.

Карактеристике

Историјат

Шпанска партија(или Руј Лопез) је добила своје име након што је шпански свештеник Руј Лопез де Сегура анализирао ово отварање у књизи Libro del Ajedrez(у дословном преводу значи „Књига шаха") која је написана 1561. године. Иако је отварање већ 1490. године анализирано у Гетиншском рукопису, оно идаље носи ово име. Отварање је постало популарно тек у 19. веку, када је руски теоретичар Карл Јениш поново открио њен потенцијал.

Варијанте

  • Берлинска одбрана 3. Сф6
  • Морфијева одбрана 3. а6

Морфијева одбрана је најпопуларнији наставак после 2. Лб5. Главни циљ овог потеза је да после , најчешћег, повлачења ловцем на а4, црни добије могућност да путем 4. ...б5, уклони непријатно везивање. Бели сад треба да се чува да не упадне у замку названу "Нојева барка", у којој црни осваја белог ловца са пешачким напредовањем а6, б5 и ц4. Осим 4. Ла5 варијанте, постоји још и варијанта размене са 4. Л:ц6.

  • Класична одбрана 3. Лц5
  • Норвежанска варијанта 3. Са5


Морфијева одбрана: 3. a6

abcdefgh
8
a8 black rook
c8 black bishop
d8 black queen
e8 black king
f8 black bishop
g8 black knight
h8 black rook
b7 black pawn
c7 black pawn
d7 black pawn
f7 black pawn
g7 black pawn
h7 black pawn
a6 black pawn
c6 black knight
b5 white bishop
e5 black pawn
e4 white pawn
f3 white knight
a2 white pawn
b2 white pawn
c2 white pawn
d2 white pawn
f2 white pawn
g2 white pawn
h2 white pawn
a1 white rook
b1 white knight
c1 white bishop
d1 white queen
e1 white king
h1 white rook
8
77
66
55
44
33
22
11
abcdefgh
Морфијева одбрана: 3. a6

By far the most commonly played third move for Black is the Morphy Defence, 3...a6, which "puts the question" to the white bishop. The main point of 3...a6 is that after the common retreat 4.Ba4, Black will have the possibility of breaking a future pin on his Шаблон:Chessgloss by playing ...b5. White must take some care not to fall into the Noah's Ark Trap, in which Black traps White's Шаблон:Chessgloss on the b3-square with a ...a6, ...b5, and ...c4 pawn advance on the Шаблон:Chessgloss. Ercole del Rio, in his 1750 treatise Sopra il giuoco degli Scacchi, Osservazioni pratiche dell'anonimo Modenese (On the game of Chess, practical Observations by an anonymous Modenese), was the first author to mention 3...a6.[1] The move became popular after it was played by Paul Morphy, however, and it is named for him. Steinitz did not approve of the move; in 1889, he wrote, "on principle this ought to be disadvantageous as it drives the bishop where it wants to go". Steinitz's opinion did not prevail, however; today, 3...a6 is played in over 65 percent of all games beginning with the Ruy Lopez.[2]

Morphy Defence: alternatives to Closed Defence

After 3...a6, the most commonly played line is the Closed Defence, which goes 4.Ba4 Nf6 5.0-0 Be7, discussed in the two following sections. Alternatives to the Closed Defence described in this section are:

  • 4.Bxc6 (Exchange Variation)
  • 4.Ba4
    • 4...b5 5.Bb3 Na5 (Norwegian Variation)
    • 4...b5 5.Bb3 Bc5 (Graz Defence)
    • 4...b5 5.Bb3 Bb7 (Caro Variation)
    • 4...Bc5 (Classical Defence Deferred)
    • 4...Nge7 (Cozio Defence Deferred)
    • 4...g6 (Fianchetto Defence Deferred)
    • 4...f5 (Schliemann Defence Deferred)
    • 4...d6 (Modern Steinitz Defence)
    • 4...Nf6 5.Nc3 (Ruy Lopez Four Knights Variation)
    • 4...Nf6 5.Qe2 (Wormald Attack)
    • 4...Nf6 5.d4 (Mackenzie Variation)
    • 4...Nf6 5.d3 (Anderssen Variation)
    • 4...Nf6 5.0-0 d6 (Russian Defence)
    • 4...Nf6 5.0-0 Bc5 (Møller Defence)
    • 4...Nf6 5.0-0 b5 6.Bb3 Bb7 (Arkhangelsk Defence)
    • 4...Nf6 5.0-0 b5 6.Bb3 Bc5 (Modern Arkhangelsk Defence)
    • 4...Nf6 5.0-0 Nxe4 (Open Defence)

Exchange Variation: 4.Bxc6

abcdefgh
8
a8 black rook
c8 black bishop
d8 black queen
e8 black king
f8 black bishop
g8 black knight
h8 black rook
b7 black pawn
c7 black pawn
f7 black pawn
g7 black pawn
h7 black pawn
a6 black pawn
c6 black pawn
e5 black pawn
e4 white pawn
f3 white knight
a2 white pawn
b2 white pawn
c2 white pawn
d2 white pawn
f2 white pawn
g2 white pawn
h2 white pawn
a1 white rook
b1 white knight
c1 white bishop
d1 white queen
e1 white king
h1 white rook
8
77
66
55
44
33
22
11
abcdefgh
Exchange Variation after 4...dxc6

In the Exchange Variation, 4.Bxc6, (ECO C68–C69) White damages Black's pawn structure, giving him a ready-made long-term plan of playing d4 ...exd4 Qxd4, followed by exchanging all the pieces and winning the pure pawn ending. Max Euwe gives the pure pawn ending in this position (with all pieces except kings removed) as a win for White.[3] Black gains good compensation, however, in the form of the bishop pair, and the variation is not considered White's most ambitious, though former world champions Emanuel Lasker and Bobby Fischer employed it with success.

After 4.Bxc6, Black almost always responds 4...dxc6. 4...bxc6 is rarely played due to the reply 5.d4 exd4 6.Qxd4 and White is in Шаблон:Chessgloss. After 4...dxc6, the obvious 5.Nxe5Шаблон:Chesspunc is weak, since 5...Qd4Шаблон:Chesspunc 6.Nf3 Qxe4+ 7.Qe2 Qxe2+ 8.Kxe2 leaves White with no compensation for Black's bishop pair.

In the late 19th and early 20th centuries, Lasker had great success with 5.d4 exd4 6.Qxd4 Qxd4 7.Nxd4, most notable his famous win against Jose Raul Capablanca in the St. Petersburg 1914 chess tournament.[4]

Since then, better defences for Black have been developed, and this line is considered to slightly favour Black. Jon Jacobs wrote in the July 2005 Chess Life (p. 21): "A database search (limited to games longer than 20 moves, both players FIDE 2300+) reveals the position after 7.Nxd4 was reached 20 times from 1985–2002. White's results were abysmal: +0−7=13."

After 5.Nc3, Black usually plays 5...f6 to defend his e-pawn. A notable game is AdhibanNakamura from the 2013 FIDE World Cup.[5]

The flexible 5.0-0 is sometimes called the Barendregt Variation, but it was Fischer who developed it into a serious weapon in the 1960s. Unlike 5.d4, it forces Black to defend his e-pawn, which he usually does with 5...f6, 5...Bg4, 5...Qd6 (the sharpest line, preparing queenside castling), 5...Qe7, 5...Qf6 or 5...Bd6. A rare but playable move is 5...Be6 (or 5...Be7), the idea being that if White plays 6.Nxe5, Black plays 6... Qd4, forking the knight and the e4-pawn. The move ...Qd4, regaining the pawn at e4, is usually impossible in these variations once White has castled, due to the open e-file.

Notable games are FischerPortisch,[6] and FischerGligoric,[7] both played at the 17th Chess Olympiad in Havana 1966.

White may also delay the exchange for a move or two: 4.Ba4 Nf6 5.Bxc6 or 5.0-0 Be7 6.Bxc6 (the Delayed Exchange Deferred), for example; at first glance this seems a waste of time, but Black having played ...Nf6 rules out defending the pawn with ...f6, and the bishop already being on e7 means that ...Bd6 would be a loss of tempo.

Norwegian Defence: 4.Ba4 b5 5.Bb3 Na5

The Norwegian Variation (also called the Taimanov or Wing Variation) (ECO C70), 3...a6 4.Ba4 b5 5.Bb3 Na5 aims to eliminate the white bishop but is generally considered too time-consuming for Black. The usual continuation is 6.0-0 d6 7.d4 Nxb3, but the speculative sacrifice 6.Bxf7+Шаблон:Chesspunc Kxf7 7.Nxe5+, which drives the black king out, has been played. With accurate play, however, Black is supposed to be able to consolidate his extra piece.

In the 1950s, Mark Taimanov played it with some success, though it remained a sideline, as it has to this day. This defence has been known since the 1880s and was reintroduced in 1901 by Carl Schlechter. The Norwegian connection was first introduced by Svein Johannessen who played the line from 1957 and later strengthened when Simen Agdestein and some other Norwegian players adopted the variation. In 1995 Jonathan Tisdall published the article "Ruy Lopez. The Norwegian Variation" in New in Chess Yearbook 37.

Variations combining 3...a6 and ...Bc5

abcdefgh
8
a8 black rook
c8 black bishop
d8 black queen
e8 black king
h8 black rook
b7 black pawn
c7 black pawn
d7 black pawn
f7 black pawn
g7 black pawn
h7 black pawn
a6 black pawn
c6 black knight
f6 black knight
c5 black bishop
e5 black pawn
a4 white bishop
e4 white pawn
f3 white knight
a2 white pawn
b2 white pawn
c2 white pawn
d2 white pawn
f2 white pawn
g2 white pawn
h2 white pawn
a1 white rook
b1 white knight
c1 white bishop
d1 white queen
f1 white rook
g1 white king
8
77
66
55
44
33
22
11
abcdefgh
Møller Defence: 5...Bc5

The Graz Defence, Classical Defence Deferred, and Møller Defence combine 3...a6 with the active move ...Bc5. For a century it was believed that it was safer for Black to place the bishop on e7, but it is much more active on c5. White can gain time after playing d4 as the black bishop will have to move, but this does not always seem to be as important as was once thought.[8]

The Møller Defence, 3...a6 4.Ba4 Nf6 5.0-0 Bc5 was already an old line in 1903 when Dane Jørgen Møller (1873–1944) analysed it in Tidsskrift för Schack. Alexander Alekhine played this for Black in the early portion of his career; despite his advocacy, it never achieved great popularity, and even he eventually came to consider it dubious.

The Graz Defence, 3...a6 4.Ba4 b5 5.Bb3 Bc5, was analysed by Alois Fink (b. 1910) in Österreichische Schachzeitung in 1956 and in Wiener Schach Nachrichten in 1979, although it did not become popular until the 1990s.

Modern Steinitz Defence: 4.Ba4 d6

abcdefgh
8
a8 black rook
c8 black bishop
d8 black queen
e8 black king
f8 black bishop
g8 black knight
h8 black rook
b7 black pawn
c7 black pawn
f7 black pawn
g7 black pawn
h7 black pawn
a6 black pawn
c6 black knight
d6 black pawn
e5 black pawn
a4 white bishop
e4 white pawn
f3 white knight
a2 white pawn
b2 white pawn
c2 white pawn
d2 white pawn
f2 white pawn
g2 white pawn
h2 white pawn
a1 white rook
b1 white knight
c1 white bishop
d1 white queen
e1 white king
h1 white rook
8
77
66
55
44
33
22
11
abcdefgh
Modern Steinitz Defence: 4...d6

In the Modern Steinitz Defence (also called Neo-Steinitz Defence) (ECO C71–C76), Black interpolates 3...a6 4.Ba4 before playing 4...d6, which was frequently played by Alekhine, José Raúl Capablanca and Paul Keres. The possibility of breaking the pin with a timely ...b5 gives Black more latitude than in the Old Steinitz Defence; in particular, in the Old Steinitz, White can practically force Black to give up his strongpoint at e5, but in the Modern Steinitz, Black is able to maintain his Шаблон:Chessgloss. Most plausible White moves are playable here, including 5.c3, 5.c4, 5.Bxc6, 5.d4, and 5.0-0. The sharp Siesta Variation arises after 5.c3 f5, while a manoeuvring game results from the calmer 5.c3 Bd7 6.d4. The game is also sharp after 5.Bxc6+ bxc6 6.d4 (ECO C73) or 5.0-0 Bg4 6.h3 h5 (ECO C72). The older lines starting with 5.c4 and 5.d4 are not regarded as testing for Black, though the latter offers a tricky gambit. There are six ECO classifications for the Modern Steinitz. White's responses 5.d4, 5.Nc3, and 5.c4 are included in C71, while 5.0-0 is C72. The delayed exchange 5.Bxc6+ bxc6 6.d4 is C73. C74–C76 all begin with 5.c3. C74 covers 5...Nf6, but primarily focuses on 5...f5 6.exf5 Bxf5 with 7.d4 or 7.0-0. C75's main continuation is 5...Bd7 6.d4 Nge7, the Rubinstein Variation. C76 is characterised by the Black Шаблон:Chessgloss fianchetto 5...Bd7 6.d4 g6.

Schliemann Defence Deferred: 4.Ba4 f5

The Schliemann Defence Deferred, 3...a6 4.Ba4 f5, is rarely seen, with practically its only top-level appearance being in the 1974 Candidates Final, when Viktor Korchnoi adopted it versus Anatoly Karpov.[9] It is considered inferior to the regular Schliemann, since White can answer effectively with 5.d4! exd4 6.e5.

Mackenzie Variation: 4.Ba4 Nf6 5.d4

The variation 5.d4 (ECO C77), named after George Henry Mackenzie who employed it on a regular basis, is an old line which, according to modern theory, does not promise White any advantage, though is adopted as an alternative to the main variation 5.0-0. The main line continues with 5...exd4 (5... Nxe4 6.0-0 transposes to the Open Defence) 6.0-0 (6.e5 Ne4 is harmless) Be7 (6...Nxe4 transposes to the Riga Variation of the Open Defence) which leads to the Centre Attack (ECO C84) of the Closed Defence.

Steinitz Defence Deferred: 4.Ba4 Nf6 5.0-0 d6

abcdefgh
8
a8 black rook
c8 black bishop
d8 black queen
e8 black king
f8 black bishop
h8 black rook
b7 black pawn
c7 black pawn
f7 black pawn
g7 black pawn
h7 black pawn
a6 black pawn
c6 black knight
d6 black pawn
f6 black knight
e5 black pawn
a4 white bishop
e4 white pawn
f3 white knight
a2 white pawn
b2 white pawn
c2 white pawn
d2 white pawn
f2 white pawn
g2 white pawn
h2 white pawn
a1 white rook
b1 white knight
c1 white bishop
d1 white queen
f1 white rook
g1 white king
8
77
66
55
44
33
22
11
abcdefgh
Steinitz Defence Deferred: 5...d6

The Steinitz Defence Deferred (ECO C79) also called Russian Defence. With the move order 3...a6 4.Ba4 Nf6 5.0-0 d6, Black waits until White castles before playing ...d6. This can enable Black to avoid some lines in the Steinitz Defence Deferred in which White castles Шаблон:Chessgloss although the position of the knight on f6 also precludes Black from supporting the centre with ...f7–f6. These nuances seem to have little importance today, as neither the Steinitz Defence Deferred nor the Russian Defence have been popular for many years.

Chigorin played the Russian Defence in the 1890s, and later it was adopted by Rubinstein and Alekhine. The last significant use of the Russian Defence was in the 1950s when it was played by some Russian masters.

Arkhangelsk Defence: 4.Ba4 Nf6 5.0-0 b5 6.Bb3 Bb7

abcdefgh
8
a8 black rook
d8 black queen
e8 black king
f8 black bishop
h8 black rook
b7 black bishop
c7 black pawn
d7 black pawn
f7 black pawn
g7 black pawn
h7 black pawn
a6 black pawn
c6 black knight
f6 black knight
b5 black pawn
e5 black pawn
e4 white pawn
b3 white bishop
f3 white knight
a2 white pawn
b2 white pawn
c2 white pawn
d2 white pawn
f2 white pawn
g2 white pawn
h2 white pawn
a1 white rook
b1 white knight
c1 white bishop
d1 white queen
f1 white rook
g1 white king
8
77
66
55
44
33
22
11
abcdefgh
Arkhangelsk Defence: 6...Bb7

The Arkhangelsk Defence (or Archangel Defence) (ECO C78) was popularized by Soviet players from the city of Arkhangelsk such as GM Vladimir Malaniuk. The variation begins 3...a6 4.Ba4 Nf6 5.0-0 b5 6.Bb3 Bb7. This line often leads to sharp positions in which Black wagers that the fianchettoed bishop's influence on the centre and kingside will offset Black's delay in castling. White has several options, including attempting to build an ideal pawn centre with c3 and d4, defending the e-pawn with Re1 or simply developing. The Arkhangelsk Defence is tactically justified by Black's ability to meet 7.Ng5 with 7...d5 8.exd5 Nd4! (not 8...Nxd5, when White gets the advantage with 9.Qh5 g6 10.Qf3).

Modern Arkhangelsk Defence: 4.Ba4 Nf6 5.0-0 b5 6.Bb3 Bc5

abcdefgh
8
a8 black rook
c8 black bishop
d8 black queen
e8 black king
h8 black rook
c7 black pawn
d7 black pawn
f7 black pawn
g7 black pawn
h7 black pawn
a6 black pawn
c6 black knight
f6 black knight
b5 black pawn
c5 black bishop
e5 black pawn
e4 white pawn
b3 white bishop
f3 white knight
a2 white pawn
b2 white pawn
c2 white pawn
d2 white pawn
f2 white pawn
g2 white pawn
h2 white pawn
a1 white rook
b1 white knight
c1 white bishop
d1 white queen
f1 white rook
g1 white king
8
77
66
55
44
33
22
11
abcdefgh
Modern Arkhangelsk Defence: 6...Bc5

The Modern Arkhangelsk Defence (or Modern Archangel Defence) (ECO C78) is a refinement of the regular Arkhangelsk Defence by incorporating ideas similar to the Møller Defence. Black normally does not fianchetto the Queen's bishop, which would transpose to regular Arkhangelsk setups, but plays ...Bg4 to increase the pressure against White's pawn centre. White's main continuation is 7.a4 after which Black responds with the typical move 7...Rb8 reaching the starting point of this highly complex variation. Another line is the more traditional 7.c3 d6 8.d4 and after 8...Bb6 Black's position is fine. 8...exd4 occurred in LoewenthalMorphy, London 1859,[10] which seems to be the first time this variation was ever played.

Peter Svidler recorded an entire video series about this defence.[11]

Open Defence: 4.Ba4 Nf6 5.0-0 Nxe4

abcdefgh
8
a8 black rook
d8 black queen
e8 black king
f8 black bishop
h8 black rook
c7 black pawn
f7 black pawn
g7 black pawn
h7 black pawn
a6 black pawn
c6 black knight
e6 black bishop
b5 black pawn
d5 black pawn
e5 white pawn
e4 black knight
b3 white bishop
f3 white knight
a2 white pawn
b2 white pawn
c2 white pawn
f2 white pawn
g2 white pawn
h2 white pawn
a1 white rook
b1 white knight
c1 white bishop
d1 white queen
f1 white rook
g1 white king
8
77
66
55
44
33
22
11
abcdefgh
Open Defence after 8...Be6

In the Open Defence, 3...a6 4.Ba4 Nf6 5.0-0 Nxe4, Black tries to make use of the time White will take to regain the pawn to gain a foothold in the centre, with play usually continuing 6.d4 b5 7.Bb3 d5 (but not 7...exd4? 8.Re1 d5 9.Nc3!, Bobby FischerPetar Trifunovic, Bled 1961[12]) 8.dxe5 Be6.

Here 8.Nxe5, once adopted by Fischer, is much less often seen, and Black should equalise after the accurate 8...Nxe5 9.dxe5 c6, which avoids prematurely committing the light-squared bishop and solidly defends d5, often a problem in the Open.

The Riga Variation, 6...exd4, is considered inferior; the main line runs 7.Re1 d5 8.Nxd4 Bd6! 9.Nxc6 Bxh2+! 10.Kh1! (10.Kxh2 Qh4+ 11.Kg1 Qxf2+ draws by perpetual check.) Qh4 11.Rxe4+! dxe4 12.Qd8+! Qxd8 13.Nxd8+ Kxd8 14.Kxh2 Be6 (14...f5Шаблон:Chesspunc 15.Bg5Шаблон:ChessAN!) and now the endgame is considered to favour White after 15.Be3 or Nd2 (but not 15.Nc3 c5!, playing to trap the bishop). A famous example of this line is the game José Raúl CapablancaEdward Lasker, New York 1915.[13] However, this variation has been somewhat revived by a Ukrainian analyst and author Yuriy Krykun in his course on 1.e4 e5 which can be found here https://www.chessable.com/unleash-the-bull-1e5-a-full-repertoire-for-black/course/25866/, as he claimed that while White can keep an objectively better position, Black often obtains some very lively counterplay.

White has a variety of options at move nine, including 9.c3, 9.Be3, 9.Qe2 and 9.Nbd2.

The classical line starts with 9.c3 when Black may choose 9...Be7 (the main line) or the aggressive 9...Bc5.

After 9.c3 Bc5 10.Nbd2 0-0 11.Bc2, Black must meet the attack on e4, with the following possibilities from which to choose: 11...f5, 11...Bf5, both of which aim to maintain the strongpoint on e4, or the forcing line 11...Nxf2, introduced by the English amateur Vernon Dilworth.

Today, 9.Be3 Be7 10.c3 is often used to transpose into the main line, 9.c3, while obviating the option of the Dilworth.

An old continuation is 11...f5, when after 12.Nb3 Ba7 13.Nfd4 Nxd4 14.Nxd4 Bxd4 White can gain some advantage with Bogoljubov's 15.Qxd4. Instead, the very sharp La Grande Variante continues 15.cxd4 f4 16.f3 Ng3 17.hxg3 fxg3 18.Qd3 Bf5 19.Qxf5 Rxf5 20.Bxf5 Qh4 21.Bh3 Qxd4+ 22.Kh1 Qxe5, with unclear consequences. Perhaps the most famous game in this variation is SmyslovReshevsky, 1945 USSR–USA Radio Match.[14] An analysis of the line had just been published in a Russian chess magazine, and Smyslov was able to follow it to quickly obtain a winning position. Reshevsky had not seen the analysis and he struggled in vain to solve the position over the board with his chess clock running. The Dilworth Variation (or Attack), 11...Nxf2 12.Rxf2 f6 13.exf6 Bxf2+ 14.Kxf2 Qxf6 has scored well for Black, with many traps for the ill-prepared White player. The main line leads to unbalanced endgames which are difficult to play for both sides, though with a strong drawing tendency. Artur Yusupov is one of the few grandmasters who has adopted the Dilworth repeatedly.[15][16][17]

In the Howell Attack (ECO C81), 9.Qe2, White aims for play against d5 after Rd1. The game usually continues 9...Be7 10.Rd1 followed by 10...Nc5 or 10...0-0. Paul Keres played this line against Max Euwe and Samuel Reshevsky at the World Chess Championship tournament 1948.[18][19]

Karpov's move, 9.Nbd2, limits Black's options. In the 1978 Karpov–Korchnoi World Chess Championship match, following 9.Nbd2 Nc5 10.c3 d4 (10...Be7 is an old move that remains popular) Karpov introduced the surprising 11.Ng5Шаблон:Chesspunc, a move suggested by his trainer, Igor Zaitsev.[20] If Black takes the knight with 11...Qxg5 White regains the material with 12.Qf3. This variation played a decisive role in a later World Championship match, KasparovAnand 1995, when Anand was unable to successfully defend as Black.[21]

Closed Defence 4.Ba4 Nf6 5.0-0 Be7: alternatives to Main line

abcdefgh
8
a8 black rook
c8 black bishop
d8 black queen
e8 black king
h8 black rook
b7 black pawn
c7 black pawn
d7 black pawn
e7 black bishop
f7 black pawn
g7 black pawn
h7 black pawn
a6 black pawn
c6 black knight
f6 black knight
e5 black pawn
a4 white bishop
e4 white pawn
f3 white knight
a2 white pawn
b2 white pawn
c2 white pawn
d2 white pawn
f2 white pawn
g2 white pawn
h2 white pawn
a1 white rook
b1 white knight
c1 white bishop
d1 white queen
f1 white rook
g1 white king
8
77
66
55
44
33
22
11
abcdefgh
Closed Defence after 5...Be7

In the main line, White normally retreats his bishop with 4.Ba4, when the usual continuation is 4...Nf6 5.0-0 Be7. Black now threatens to win a pawn with 6...b5 followed by 7...Nxe4, so White must respond. Usually White defends the e-pawn with 6.Re1 which, in turn, threatens Black with the loss of a pawn after 7.Bxc6 and 8.Nxe5. Although it is possible to defend the pawn with 6...d6, Black most commonly averts this threat by driving away the white bishop with 6...b5 7.Bb3.

After 4...Nf6 5.0-0 Be7, the most frequently seen continuation is 6.Re1 b5 7.Bb3 d6 8.c3 0-0, discussed in the next section. Examined in this section are the alternatives to the main line:

  • 6.Bxc6 (Delayed Exchange Variation Deferred)
  • 6.d4 (Centre Attack)
  • 6.Qe2 (Worrall Attack)
  • 6.d3 (Modern Line)
  • 6.Re1 d6 (Averbakh Variation)
  • 6.Re1 b5 7.Bb3
    • 7...Bb7 (Trajković Variation)
    • 7...0-0 8.c3 d5 (Marshall Attack)

Delayed Exchange Variation Deferred: 6.Bxc6

The Delayed Exchange Variation Deferred (or Exchange Variation Doubly Deferred) (ECO C85), 6.Bxc6, loses a tempo compared to the Exchange Variation, though in compensation, the black knight on f6 and bishop on e7 are awkwardly placed. The knight on f6 prevents Black from supporting the e-pawn with ...f7–f6, and the bishop is somewhat passively posted on e7.

Centre Attack: 6.d4

The Centre Attack (or Centre Variation) (ECO C84), 6.d4, leads to sharp play. After 6... exd4 (6... Nxe4 and 6... b5 are viable alternatives) 7.Re1 b5 (7... 0-0 8. e5 Ne8 is a playable alternative) White can play either 8.Bb3 or the sharp 8.e5. In case of the immediate 7.e5 Black takes advantage of the absence of the white rook from e1 and plays 7... Ne4 with the idea of 8... Nc5.

Worrall Attack: 6.Qe2

abcdefgh
8
a8 black rook
c8 black bishop
d8 black queen
e8 black king
h8 black rook
b7 black pawn
c7 black pawn
d7 black pawn
e7 black bishop
f7 black pawn
g7 black pawn
h7 black pawn
a6 black pawn
c6 black knight
f6 black knight
e5 black pawn
a4 white bishop
e4 white pawn
f3 white knight
a2 white pawn
b2 white pawn
c2 white pawn
d2 white pawn
e2 white queen
f2 white pawn
g2 white pawn
h2 white pawn
a1 white rook
b1 white knight
c1 white bishop
f1 white rook
g1 white king
8
77
66
55
44
33
22
11
abcdefgh
Worrall Attack: 6.Qe2

In the Worrall Attack (ECO C86), White substitutes 6.Qe2 for 6.Re1. The idea is that the queen will support the e-pawn, leaving the rook free to move to d1 to support the advance of the d-pawn, although there is not always time for this. Play normally continues 6...b5 7.Bb3 followed by 7...0-0 8.c3 and 8...d5 or 8...d6.

Paul Keres played the line several times. More recently, Sergei Tiviakov has played it, as has Nigel Short, who essayed it twice in his 1992 match against Anatoly Karpov and won both games.[22][23]

Модерна линија: 6. д3

abcdefgh
8
a8 black rook
c8 black bishop
d8 black queen
e8 black king
h8 black rook
b7 black pawn
c7 black pawn
d7 black pawn
e7 black bishop
f7 black pawn
g7 black pawn
h7 black pawn
a6 black pawn
c6 black knight
f6 black knight
e5 black pawn
a4 white bishop
e4 white pawn
d3 white pawn
f3 white knight
a2 white pawn
b2 white pawn
c2 white pawn
f2 white pawn
g2 white pawn
h2 white pawn
a1 white rook
b1 white knight
c1 white bishop
d1 white queen
f1 white rook
g1 white king
8
77
66
55
44
33
22
11
abcdefgh
Modern Line: 6.d3

Играњем 6. д3[24] White steers clear of the Marshall Attack and any of the Anti-Marshall lines. White threatens 7.Bxc6 winning the e5-pawn leaving Black a choice of either 6...d6 or 6...b5. After 6...d6 the e5-pawn is firmly defended and Black threatens to trade off White's Ruy Lopez bishop with 7...b5 and 8...Na5. White normally continues with 7.c3 and after 8...0-0 White can choose between 9.Nbd2 or 9 Re1. Black can also play 6...b5 and after 7.Bb3 d6 (7...0-0 is a viable alternative) White has to deal with the threat of 8...Na5 by playing 8.a3 (8.c3 or 8 a4 are perfectly playable as well) and after 8...0-0 (the immediate 8...Na5 is also feasible) 9.Nc3 we have reached a modern tabiya of the Ruy Lopez. This position was first reached in a high-level encounter between Viswanathan Anand and Michael Adams, Grenke Chess Classic 2013.[25] 6.d3 has gained wide popularity among the top players and has almost supplanted the Ruy Lopez main line with 6.Re1.

Peter Svidler has dedicated an entire video series to the fashionable 6.d3 line.[26]

Averbakh Variation: 6.Re1 d6

abcdefgh
8
a8 black rook
c8 black bishop
d8 black queen
e8 black king
h8 black rook
b7 black pawn
c7 black pawn
e7 black bishop
f7 black pawn
g7 black pawn
h7 black pawn
a6 black pawn
c6 black knight
d6 black pawn
f6 black knight
e5 black pawn
a4 white bishop
e4 white pawn
f3 white knight
a2 white pawn
b2 white pawn
c2 white pawn
d2 white pawn
f2 white pawn
g2 white pawn
h2 white pawn
a1 white rook
b1 white knight
c1 white bishop
d1 white queen
e1 white rook
g1 white king
8
77
66
55
44
33
22
11
abcdefgh
Averbakh Variation: 6...d6

In the Averbakh Variation (C87), named for Yuri Averbakh, Black defends the threatened e-pawn with 6...d6 instead of driving away the white bishop with the more common 6...b5. This defence shares some similarities with the Modern Steinitz and Russian Defences as Black avoids the ...b5 advance that weakens the queenside. White can reply with either 7.Bxc6 bxc6 8.d4 or 7.c3 Bg4 (it is too late for Black to transpose into the more usual lines of the Closed Defence, because 7...b5 would allow 8.Bc2, saving White a tempo over the two-move sequence Bb3–c2 found in other variations). The pin temporarily prevents White from playing d2–d4. In response, White can either force d4 with 8.h3 Bh5 9.Bxc6 bxc6 10.d4, or postpone d4 for the time being and play 8.d3 followed by manoeuvering the queen knight to the kingside with Nbd2–f1–g3.

Trajković Variation: 6.Re1 b5 7.Bb3 Bb7

abcdefgh
8
a8 black rook
d8 black queen
e8 black king
h8 black rook
b7 black bishop
c7 black pawn
d7 black pawn
e7 black bishop
f7 black pawn
g7 black pawn
h7 black pawn
a6 black pawn
c6 black knight
f6 black knight
b5 black pawn
e5 black pawn
e4 white pawn
b3 white bishop
f3 white knight
a2 white pawn
b2 white pawn
c2 white pawn
d2 white pawn
f2 white pawn
g2 white pawn
h2 white pawn
a1 white rook
b1 white knight
c1 white bishop
d1 white queen
e1 white rook
g1 white king
8
77
66
55
44
33
22
11
abcdefgh
Trajković Variation: 6...b5 7.Bb3 Bb7

An alternative to 6...d6 is 6...b5 7.Bb3 Bb7. This is known as the Trajković Variation. Black may sacrifice a pawn with 8.c3 d5 9.exd5 Nxd5 10.Nxe5 Nxe5 11.Rxe5 Nf4.

7...0-0

After 6.Re1 b5 7.Bb3, Black often plays 7...0-0. Here White can play 8.c3, but he has other moves. Alternatives are 8.a4, 8.h3, 8.d4, and 8.d3, which are often called "anti-Marshall" moves. White can also play 8.Nc3 with the idea of playing 9.Nd5 later.

When White opts for 8.c3, Black can and often does play 8...d6, which is a commonly used transposition to the main line. However, he can also play 8...d5 for the Marshall Attack.

Маршалов напад: 7...0-0 8.c3 d5
abcdefgh
8
a8 black rook
c8 black bishop
d8 black queen
f8 black rook
g8 black king
e7 black bishop
f7 black pawn
g7 black pawn
h7 black pawn
a6 black pawn
c6 black pawn
b5 black pawn
d5 black knight
e5 white rook
b3 white bishop
c3 white pawn
a2 white pawn
b2 white pawn
d2 white pawn
f2 white pawn
g2 white pawn
h2 white pawn
a1 white rook
b1 white knight
c1 white bishop
d1 white queen
g1 white king
8
77
66
55
44
33
22
11
abcdefgh
Marshall Attack after 11...c6, the most common move in modern play.[27] In 1918 Marshall played 11...Nf6.[28]

One of Black's more aggressive alternatives is the Marshall Attack: after 3...a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 0-0 8.c3 Black plays the gambit 8...d5, sacrificing a pawn. The main line begins with 9.exd5 Nxd5 (9...e4?!, the Herman Steiner variation, is considered weaker) 10.Nxe5 Nxe5 11.Rxe5 c6 (Marshall's original moves, 11...Nf6, and 11...Bb7 are considered inferior, but have also yielded good results at top levels of play for Black. GM Joel Benjamin suggests that 11...Bb7 is inferior due to 12.Qf3). The resulting position is shown in the diagram. To the casual observer it might seem that Black has been careless and lost a pawn; however, the sacrifice has also stripped White's Шаблон:Chessgloss of its defenders, given Black a lead in development, and rendered White's 8.c3 irrelevant. Since Black's compensation is based on Шаблон:Chessgloss rather than Шаблон:Chessgloss considerations, it is difficult or perhaps impossible to find a refutation. Black generally goes all-in with a massive kingside attack, which has been analysed to great depth (sometimes beyond move 30) with no definite conclusion as to the Marshall's soundness. The Marshall Attack is a very sharp opening system in which a great amount of theoretical knowledge is vital, and many White players, including Garry Kasparov, avoid it by playing one of the anti-Marshall systems, 8.d4, 8.a4 or 8.h3 instead of 8.c3.[27][није у датом извору]

This gambit became famous when Frank James Marshall used it as a Шаблон:Chessgloss against José Raúl Capablanca in 1918; nevertheless, Capablanca found a way through the complications and won.[28] It is often said that Marshall had kept this gambit a secret for use against Capablanca since his defeat in their 1909 match.[29] The most common counterclaim is that Marshall had used a similar approach in 1917 against Walter Frere.[30] However, Edward Winter found no clear evidence of the date for Frere–Marshall; several games between 1910 and 1918 where Marshall passed up opportunities to use the Marshall Attack against Capablanca; and an 1893 game that used the same line as in Frere–Marshall.[31]

Improvements to Black's play were found (Marshall played 11...Nf6!? originally, but later discovered 11...c6!) and the Marshall Attack was adopted by top players including Boris Spassky, John Nunn and more recently Michael Adams. In the Classical World Chess Championship 2004, challenger Peter Leko used the Marshall to win an important game against World Champion Vladimir Kramnik.[32]

Currently, Armenian Grandmaster Levon Aronian is one of the main advocates for the Marshall Attack.[33]

Main line: 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0

abcdefgh
8
a8 black rook
c8 black bishop
d8 black queen
f8 black rook
g8 black king
c7 black pawn
e7 black bishop
f7 black pawn
g7 black pawn
h7 black pawn
a6 black pawn
c6 black knight
d6 black pawn
f6 black knight
b5 black pawn
e5 black pawn
e4 white pawn
b3 white bishop
c3 white pawn
f3 white knight
a2 white pawn
b2 white pawn
d2 white pawn
f2 white pawn
g2 white pawn
h2 white pawn
a1 white rook
b1 white knight
c1 white bishop
d1 white queen
e1 white rook
g1 white king
8
77
66
55
44
33
22
11
abcdefgh
Main line after 8...0-0

The main lines of the Closed Ruy Lopez continue 6.Re1 b5 7.Bb3 d6 8.c3 0-0. White can now play 9.d3 or 9.d4, but by far the most common move is 9.h3 which prepares d4 while preventing the awkward pin ...Bg4. This can be considered the main line of the opening as a whole and thousands of top-level games have reached this position. White aims to play d4 followed by Nbd2–f1–g3, which would firmly support e4 with the bishops on open diagonals and both knights threatening Black's kingside. Black will try to counter this knight manoeuver by expanding on the queenside, taking action in the centre, or putting pressure on e4.

After 6.Re1 b5 7.Bb3 d6 8.c3 0-0, we have:

  • 9.d3 (Pilnik Variation)
  • 9.d4 (Yates Variation)
    • 9.d4 Bg4 (Bogoljubow Variation)
    • 9.d4 Bg4 10.a4 (Yates Variation, Short Attack)
  • 9.a3 (Suetin Variation)
  • 9.Bc2 (Lutikov Variation)
  • 9.h3
    • 9...Na5 (Chigorin Variation)
    • 9...Nb8 (Breyer Variation)
    • 9...Bb7 (Zaitsev Variation)
    • 9...Nd7 (Karpov Variation)
    • 9...Be6 (Kholmov Variation)
    • 9...h6 (Smyslov Variation)
    • 9...Qd7 (Smyslov Variation)
    • 9...a5 (Keres Variation)

Pilnik Variation: 9.d3

The Pilnik Variation, named for Herman Pilnik, is also known as the Teichmann Variation from the game TeichmannSchlechter, Karlsbad 1911.[34] White plays 9.d3 intending to later advance to d4 under favourable circumstances. Although d2–d3–d4 appears to lose a tempo compared to d2–d4, White may be able to omit h3 regaining the tempo, especially if Black plays ...Bb7.

Yates Variation and Bogoljubow Variation: 9.d4

White usually plays 9.h3 instead of 9.d4 (the Yates Variation) because after 9.d4 Bg4 (the Bogoljubow Variation), the pin of the white Шаблон:Chessgloss is troublesome. The variation takes its name from the game CapablancaBogoljubow, London 1922.[35]

Chigorin Variation: 9.h3 Na5

abcdefgh
8
a8 black rook
c8 black bishop
f8 black rook
g8 black king
c7 black queen
e7 black bishop
f7 black pawn
g7 black pawn
h7 black pawn
a6 black pawn
d6 black pawn
f6 black knight
a5 black knight
b5 black pawn
c5 black pawn
e5 black pawn
d4 white pawn
e4 white pawn
c3 white pawn
f3 white knight
h3 white pawn
a2 white pawn
b2 white pawn
c2 white bishop
f2 white pawn
g2 white pawn
a1 white rook
b1 white knight
c1 white bishop
d1 white queen
e1 white rook
g1 white king
8
77
66
55
44
33
22
11
abcdefgh
Chigorin Variation after 11.d4 Qc7

The Chigorin Variation was refined by Mikhail Chigorin around the turn of the 20th century and became the primary Black defence to the Ruy Lopez for more than fifty years. With 9...Na5 Black chases the white bishop from the a2–g8 diagonal and frees the c-pawn for queenside expansion. After 10.Bc2 c5 11.d4 the classical Black follow up is 11...Qc7, reinforcing e5 and placing the queen on the c-file which may later become open after ...cxd4. Other Black moves in this position are 11...Bb7 and 11...Nd7; the latter was adopted by Keres a few times in the 1960s. The Chigorin Variation has declined in popularity because Black must spend some time bringing his offside knight on a5 back into the game.

The Chigorin is divided into four ECO classifications. In C96, Black or White deviate after 10.Bc2, and do not reach the classical main line position 10...c5 11.d4 Qc7. In C97, White proceeds from the diagram with 12.a4, 12.d5, 12.b4, or the main line 12.Nbd2 when Black responds with ...Be6, ...Rd8, ...Re8, ...Bb7 or ...Bd7. The C98 classification covers 12.Nbd2 Nc6, while C99 covers 12.Nbd2 cxd4 13.cxd4.

Breyer Variation: 9.h3 Nb8

abcdefgh
8
a8 black rook
b8 black knight
c8 black bishop
d8 black queen
f8 black rook
g8 black king
c7 black pawn
e7 black bishop
f7 black pawn
g7 black pawn
h7 black pawn
a6 black pawn
d6 black pawn
f6 black knight
b5 black pawn
e5 black pawn
e4 white pawn
b3 white bishop
c3 white pawn
f3 white knight
h3 white pawn
a2 white pawn
b2 white pawn
d2 white pawn
f2 white pawn
g2 white pawn
a1 white rook
b1 white knight
c1 white bishop
d1 white queen
e1 white rook
g1 white king
8
77
66
55
44
33
22
11
abcdefgh
Breyer Variation: 9...Nb8

The Breyer Variation was recommended by Gyula Breyer as early as 1911,[36] but there are no known game records in which Breyer employed this line. The Breyer Variation did not become popular until the 1960s when it was adopted by Boris Spassky and others. In particular, Spassky's back to back wins over Mikhail Tal at Tbilisi in 1965 did much to enhance its reputation, and Spassky has a career-plus score with the Breyer. The variation is the choice of many top level players today as White has had trouble proving an advantage against it.

With 9...Nb8 Black frees the c-pawn and intends to route the knight to d7 where it supports e5. If White fortifies the centre with 10.d3 the opening is classified ECO code C94. The more common continuation, 10.d4, is ECO C95. The main line continues 10.d4 Nbd7 11.Nbd2 Bb7 12.Bc2 Re8 13.Nf1 Bf8. Black is threatening to win the e4-pawn via ...exd4 uncovering an attack on the pawn, so White plays 14.Ng3. Black generally plays 14...g6 to stop White's knight from going to f5. White then usually tries to attack the Black queenside via 15.a4. Black seeks Шаблон:Chessgloss in the centre via 15...c5. White can attack either the kingside or the queenside. This forces resolution of the centre via 16.d5. Black can exploit the weak squares on the queenside via 16...c4. White will try to attack on the kingside via 17.Bg5, moving his forces to the kingside. Black will kick the bishop with 17...h6. The logical retreat is 18.Be3, which is met by 18...Nc5. White plays 19.Qd2, forcing 19...h5. The point of this manoeuver was to weaken Black's kingside.

Zaitsev Variation: 9.h3 Bb7

abcdefgh
8
a8 black rook
d8 black queen
f8 black rook
g8 black king
b7 black bishop
c7 black pawn
e7 black bishop
f7 black pawn
g7 black pawn
h7 black pawn
a6 black pawn
c6 black knight
d6 black pawn
f6 black knight
b5 black pawn
e5 black pawn
e4 white pawn
b3 white bishop
c3 white pawn
f3 white knight
h3 white pawn
a2 white pawn
b2 white pawn
d2 white pawn
f2 white pawn
g2 white pawn
a1 white rook
b1 white knight
c1 white bishop
d1 white queen
e1 white rook
g1 white king
8
77
66
55
44
33
22
11
abcdefgh
Zaitsev Variation: 9...Bb7

The Zaitsev Variation (also called the Flohr–Zaitsev Variation) was advocated by Igor Zaitsev, who was one of Karpov's trainers for many years. A Karpov favourite, the Zaitsev remains one of the most important variations of the Ruy Lopez. With 9...Bb7 Black prepares to put more pressure on e4 after 10.d4 Re8 11.Nbd2 Bf8, when play can become very sharp and tactical. One drawback of this line if Black is playing for a win is that his opponent can force him to choose a different defence or allow a draw by repetition of position with 11.Ng5 Rf8 12.Nf3.

Karpov Variation: 9.h3 Nd7

Karpov tried 9...Nd7 several times in the 1990 World Championship match, but Kasparov achieved a significant advantage against it in the 18th game. It is solid but slightly passive. Confusingly 9...Nd7 is also called the Chigorin Variation so there are two variations of the Ruy Lopez with that name, but 9...Na5 is the move more commonly associated with Chigorin. This defence is also known as the Keres Variation, after Paul Keres.

Колмов варијанта: 9. х3 Лe6

Колмов варијанта, 9. Лe6, је била популарна 1980-их али се данас ријетко игра. Главна линија је 10. д4 Л:б3 11. a:б3 (11. Д:б3 је друга опција) e:д4 12. ц:д4 д5 13. e5 Сe4 14. Сц3 ф5 15. e:ф6 Л:ф6 16. С:e4 д:e4 17. Т:e4 Дд5 18. Тг4, када се показало да су бијели пјешаци вреднији од црнових активнијих и хармонизованијих фигура.

Варијанта Смислова: 9. х3 х6

Варијанта Смислова (ECO C93) је план сличан варијанти Зајцев. Са 9. х6 црни се спрема играти 10. Тe8 и 11. Лф8 без страха од 10. Сг5. Губитак темпа са 9. х6 даје бијелом довољно времена да заврши Сбд2–ф1–г3 маневар, и потез пјешака може ослабити краљеву страну црнога. Зајцев се може сматрати побољшаним Смисловом у коме црни покушава да сачува темпо изостављањем х6.

Каспаров је играо варијанту Смислова у губитку против Deep Blue-а шаховског компјутера у 2. игри из 1997. Меч човјек против машине.[37]

Светозар Глигорић био је најплодоноснији играч Ц93.[38]

Извори

  1. ^ Harry Golombek, Chess: A History, G.P. Putnam's Sons, 1976, pp. 117–18.
  2. ^ As of 2016-11-23, Chess-DB.com [2] reports that 243,757 out of 355,830 games in its database beginning with the Ruy Lopez, continued with 3...a6, i.e. a percentage of approx. 68.5%. Similarly, 365Chess.com [3] reports a 69.3% percentage (100,540 out of 145,061 games) and ChessBase.com [4] (requires free registration) reports a 74.3% percentage (63,183 out of 85,022 games).
  3. ^ Müller & Lamprecht, pp. 147–48.
  4. ^ „Lasker vs. Capablanca, St. Petersburg (1914)”. Chessgames.com. Приступљено 15. 5. 2019. 
  5. ^ „Adhiban vs. Nakamura, FIDE World Cup (2013)”. Chessgames.com. Приступљено 15. 5. 2019. 
  6. ^ „Fischer vs. Portisch, 17th Chess Olympiad (1966)”. Chessgames.com. Приступљено 15. 5. 2019. 
  7. ^ „Fischer vs. Gligoric, 17th Chess Olympiad (1966)”. Chessgames.com. Приступљено 15. 5. 2019. 
  8. ^ MCO-14, p.54.
  9. ^ „Anatoly Karpov vs. Viktor Korchnoi, Candidates Final, 1974”. Chessgames.com. Приступљено 6. 5. 2019. 
  10. ^ „Johann Jacob Loewenthal vs. Paul Morphy (1859)”. Chessgames.com. Приступљено 28. 11. 2018. 
  11. ^ „Introduction - Peter Svidler chess video”. chess24.com. Приступљено 28. 11. 2018. 
  12. ^ „Robert James Fischer vs. Petar Trifunovic (1961)”. Chessgames.com. Приступљено 28. 11. 2018. 
  13. ^ „Jose Raul Capablanca vs. Edward Lasker (1915)”. Chessgames.com. Приступљено 28. 11. 2018. 
  14. ^ „Vasily Smyslov vs. Samuel Reshevsky, USSR–USA Radio Match, 1945”. Chessgames.com. Приступљено 6. 5. 2019. 
  15. ^ „Morovic-Fernandez vs. Yusupov, Tunis Interzonal, 1985”. Chessgames.com. Приступљено 27. 7. 2019. 
  16. ^ „Ljubojevic vs. Yusupov, Tilburg Interpolis, 1987”. Chessgames.com. Приступљено 27. 7. 2019. 
  17. ^ „Short vs. Yusupov, Belgrade Investbank, 1989”. Chessgames.com. Приступљено 27. 7. 2019. 
  18. ^ „Keres vs. Euwe, FIDE World Championship tournament, 1948”. Chessgames.com. Приступљено 27. 7. 2019. 
  19. ^ „Keres vs. Reshevsky, FIDE World Championship tournament, 1948”. Chessgames.com. Приступљено 27. 7. 2019. 
  20. ^ „Anatoly Karpov vs. Viktor Korchnoi, World Chess Championship, 1978”. Chessgames.com. Приступљено 6. 5. 2019. 
  21. ^ „Garry Kasparov vs. Viswanathan Anand, World Chess Championship, 1995”. Chessgames.com. Приступљено 6. 5. 2019. 
  22. ^ „Nigel Short vs. Anatoly Karpov, Candidates Semifinal, game 6 (1992)”. Chessgames.com. Приступљено 9. 6. 2019. 
  23. ^ „Nigel Short vs. Anatoly Karpov, Candidates Semifinal, game 8 (1992)”. Chessgames.com. Приступљено 9. 6. 2019. 
  24. ^ „CHESSGAMES.COM * Chess game search engine”. Chessgames.com. Приступљено 28. 11. 2018. 
  25. ^ „Viswanathan Anand vs. Michael Adams (2013)”. Chessgames.com. Приступљено 28. 11. 2018. 
  26. ^ „Introduction to the 6.d3 Spanish - Peter Svidler chess video”. chess24.com. Приступљено 28. 11. 2018. 
  27. ^ а б Silman, J. (2004). „Marshall Attack”. Приступљено 2009-06-01. 
  28. ^ а б Fine, R. (1952). „Capablanca”. The World's Great Chess Games. André Deutsch (now as paperback from Dover). стр. 109—121. ISBN 0-679-13046-2. 
  29. ^ „The Total Marshall”. 15. 4. 2002. Приступљено 2009-06-01. 
  30. ^ „Frere vs. Marshall, New York, 1917”. chessgames.com. Приступљено 2009-06-01. 
  31. ^ Winter, E.G. „The Marshall Gambit”. Приступљено 2009-06-01. 
  32. ^ „Vladimir Kramnik vs. Peter Leko, World Chess Championship, 2004”. Chessgames.com. Приступљено 10. 5. 2019. 
  33. ^ Nandanan, Hari Hara (2. 10. 2011). „Carlsen stops Ivanchuk, Anand held”. The Times of India. Bennett, Coleman & Co. Ltd. Приступљено 29. 5. 2015. „Anand carefully employed the anti-Marshall against Aronian, an acknowledged expert in the Marshall. The Indian waited for things to unfold rather than forcing the pace in his characteristic way but after waiting for sometime on move 21 he deviated from the known track. Though he seemed to have got something out of the opening, the World champion did not have anything special. 
  34. ^ „Teichmann vs Schlechter, Karlsbad (1911)”. Chessgames.com. Приступљено 15. 6. 2019. 
  35. ^ „Jose Raul Capablanca vs. Efim Bogoljubow (1922)”. Chessgames.com. Приступљено 11. 12. 2018. 
  36. ^ Barden (1963), pp. 15–16.
  37. ^ „Kasparov vs. Deep Blue, Man vs. Machine, New York (1997)”. Chessgames.com. Приступљено 1. 6. 2019. 
  38. ^ „Chessgames.com: Chess Games Database & Community”. Chessgames.com. Приступљено 28. 11. 2018. 

Види још

Спољашње везе


Ово је листа звијезда у сазвијежђу Андромеда.

Име B F Var HD HIP RA Dec vis.
mag.
abs.
mag.
Dist. (ly) Sp. class Notes
α And α[1] 21 358 677 00h 08m 23.17s +29° 05′ 27.0″ 2.07 −0.30 97 B9p Alpheratz, Sirrah; α² CVn промјенљива, ΔV = 0.04m, P = 0.966222 d; Dvojne i višestruke zvezde
β And β 43 6860 5447 01h 09m 43.80s +35° 37′ 15.0″ 2.07 −1.86 199 M0IIIvar Mirach; промјенљива
γ1 And γ1 57 12533 9640 02h 03m 53.92s +42° 19′ 47.5″ 2.10 −3.08 355 K3IIb Almach; четвороструки звјездани систем
δ And δ 31 3627 3092 00h 39m 19.60s +30° 51′ 40.4″ 3.27 0.81 101 K3III... spectroscopic binary; suspected variable
Andromeda Galaxy (n)[2] 33 00h 42m 44.31s +41° 16′ 09.4″ 3.44[3]
(nebulous)
2540000 BD+40°148; naked eye Спирална галксија видљива голим оком локалној групи
51 And [4][5] 51 9927 7607 01h 37m 59.50s +48° 37′ 42.6″ 3.59 −0.04 174 K3III Nembus; свјезданси систем
ο And ο 1 217675 113726 23h 01m 55.25s +42° 19′ 33.5″ 3.62 −3.01 692 B6pv SB четвороструки звјездани систем; γ Cas промјенљива, Vmax = 3.55m, Vmin = 3.78m
λ And λ 16 222107 116584 23h 37m 33.71s +46° 27′ 33.0″ 3.81 1.75 84 G8III-IV RS CVn пројенљива, Vmax = 3.65m, Vmin = 4.05m, P = 53.95 d
μ And μ 37 5448 4436 00h 56m 45.10s +38° 29′ 57.3″ 3.86 0.75 136 A5V звјездани систем
ζ And ζ 34 4502 3693 00h 47m 20.39s +24° 16′ 02.6″ 4.08 0.35 181 K1II β Lyr/RS CVn промјенљива, Vmax = 3.92m, Vmin = 4.14m, P = 17.7696 d
υ And [6][7] 50 9826 7513 01h 36m 47.98s +41° 24′ 23.0″ 4.10 3.45 44 F8V Titawin,[8] има четири екстрасоларне планете (b, c, d & e)
κ And κ 19 222439 116805 23h 40m 24.44s +44° 20′ 02.3″ 4.15 0.57 170 B9IVn трострука звијезда, има планету (b)
φ And φ 42 6811 5434 01h 09m 30.12s +47° 14′ 30.6″ 4.26 −2.51 736 B7III emission-line star
ι And ι 17 222173 116631 23h 38m 08.18s +43° 16′ 05.1″ 4.29 −1.65 502 B8V Keff al Salsalat, Manus Catenata[9]
π And π 29 3369 2912 00h 36m 52.84s +33° 43′ 09.7″ 4.34 −2.18 656 B5V spectroscopic binary; suspected variable
ε And ε 30 3546 3031 00h 38m 33.50s +29° 18′ 44.5″ 4.34 0.77 169 G5III...
η And η 38 5516 4463 00h 57m 12.43s +23° 25′ 03.9″ 4.40 0.04 243 G8III-IV spectroscopic binary
σ And σ 25 1404 1473 00h 18m 19.71s +36° 47′ 07.2″ 4.51 1.33 141 A2V suspected variable
ν And ν 35 4727 3881 00h 49m 48.83s +41° 04′ 44.2″ 4.53 −2.06 679 B5V SB spectroscopic binary
7 And 7 219080 114570 23h 12m 32.92s +49° 24′ 21.5″ 4.53 2.58 80 F0V
θ And θ 24 1280 1366 00h 17m 05.54s +38° 40′ 54.0″ 4.61 0.16 253 A2V suspected variable
3 And 3 218031 113919 23h 04m 10.83s +50° 03′ 06.1″ 4.64 0.94 179 K0III
65 And 65 14872 11313 02h 25m 37.40s +50° 16′ 43.2″ 4.73 −0.39 345 K4III трострука звијезда
58 And 58 13041 9977 02h 08m 29.15s +37° 51′ 33.1″ 4.78 0.86 198 A5IV-V
8 And 8 219734 115022 23h 17m 44.62s +49° 00′ 55.0″ 4.82 −1.69 655 M2III suspected variable
ω And ω[10] 48 8799 6813 01h 27m 39.09s +45° 24′ 25.0″ 4.83 2.57 92 F5IV
γ2 And γ2 57 12534 02h 03m 54.70s +42° 19′ 51.0″ 4.84 -0.3 350 B8V component of the γ And system; triple star system
60 And b 60 13520 10340 02h 13m 13.34s +44° 13′ 54.1″ 4.84 −1.32 556 K4III suspected variable
ξ And ξ[10] 46 8207 6411 01h 22m 20.39s +45° 31′ 43.5″ 4.87 0.98 195 K0III-IV Adhil
τ And τ 53 10205 7818 01h 40m 34.80s +40° 34′ 37.6″ 4.96 −1.64 681 B8III suspected variable
41 H. And υ[11] 10307 7918 01h 41m 46.52s +42° 36′ 49.7″ 4.96 4.45 41 G2V spectroscopic binary
ψ And ψ 20 223047 117221 23h 46m 02.04s +46° 25′ 13.0″ 4.97 −3.05 1309 G5Ib Звјездани систем
22 And 22 571 841 00h 10m 19.24s +46° 04′ 20.2″ 5.01 −2.44 1006 F2II
χ And χ[12] 52 10072 7719 01h 39m 21.02s +44° 23′ 10.1″ 5.01 0.66 242 G8III...
41 And (d)[13] 41 6658 5317 01h 08m 00.72s +43° 56′ 32.1″ 5.04 1.14 196 A3m
2 And 2 217782 113788 23h 02m 36.34s +42° 45′ 28.1″ 5.09 −0.06 349 A3Vn Звјездани систем
V428 And V428 3346 2900 00h 36m 46.47s +44° 29′ 18.6″ 5.14 −1.38 656 K5III semiregular variable, ΔV = 0.06m, P = 11.5 d; has a possible planetary system
ρ And ρ 27 1671 1686 00h 21m 07.23s +37° 58′ 07.3″ 5.16 1.71 160 F5III
HD 2421 2421 2225 00h 28m 13.59s +44° 23′ 40.2″ 5.18 0.63 265 A2Vs spectroscopic binary
64 And 64 14770 11220 02h 24m 24.89s +50° 00′ 23.9″ 5.19 −0.11 375 G8III
GN And 28 GN 2628 2355 00h 30m 07.34s +29° 45′ 06.1″ 5.20 1.43 185 A7III low-amplitude δ Sct промјенљива, ΔV = 0.05m, P = 0.0693041 d
14 And 14 221345 116076 23h 31m 17.20s +39° 14′ 11.0″ 5.22 0.80 249 K0III Veritate,[8] suspected variable; има планету (b)
49 And A[14] 49 9057 6999 01h 30m 06.10s +47° 00′ 26.6″ 5.27 0.53 290 K0III
32 And 32 3817 3231 00h 41m 07.20s +39° 27′ 31.2″ 5.30 0.18 344 G8III
4 And 4 218452 114200 23h 07m 39.28s +46° 23′ 14.3″ 5.30 0.20 342 K5III дупла звијезда
6 Per [15] (6)[16] 13530 10366 02h 13m 36.02s +51° 03′ 58.4″ 5.31 1.38 199 G8III:var spectroscopic binary; suspected variable
62 And c 62 14212 10819 02h 19m 16.85s +47° 22′ 48.0″ 5.31 0.84 255 A1V
18 And 18 222304 116709 23h 39m 08.35s +50° 28′ 18.3″ 5.35 −0.04 390 B9V
55 And 55 11428 8814 01h 53m 17.35s +40° 43′ 47.3″ 5.42 −0.67 540 K1III дупла звијезда
11 And 11 219945 115152 23h 19m 29.79s +48° 37′ 30.7″ 5.44 0.43 328 K0III
3421 2942 00h 37m 21.23s +35° 23′ 58.2″ 5.45 −2.03 1022 G5III
36 And 36 5286 4288 00h 54m 58.02s +23° 37′ 42.4″ 5.46 2.51 127 K1IV suspected variable
V340 And 15 V340 221756 116354 23h 34m 37.55s +40° 14′ 11.6″ 5.55 1.28 233 A1III low-amplitude δ Sct variable, ΔV = 0.007m
PZ And 63 PZ 14392 10944 02h 20m 58.17s +50° 09′ 05.5″ 5.57 0.38 356 B9p Si α2 CVn variable, ΔV = 0.05m, P = 4.189 d
47 And 47 8374 6514 01h 23m 40.56s +37° 42′ 54.0″ 5.60 1.54 211 A1m
10204 7825 01h 40m 39.56s +43° 17′ 51.9″ 5.63 1.05 268 A9IV:
44 And 44 6920 5493 01h 10m 18.85s +42° 04′ 53.7″ 5.67 2.06 172 F8V
5 And 5 218470 114210 23h 07m 45.25s +49° 17′ 43.6″ 5.68 3.02 111 F5V
HD 5788 5788 4675 01h 00m 03.55s +44° 42′ 47.9″ 5.69 0.14 420 A2Vn binary star with HD 5789
56 And 56 11749 9021 01h 56m 09.23s +37° 15′ 06.5″ 5.69 0.73 320 G8III... звјездани систем
23 And 23 905 1086 00h 13m 30.94s +41° 02′ 08.6″ 5.71 2.99 114 F0IV
HD 16028 16028 12072 02h 35m 38.74s +37° 18′ 44.2″ 5.72 −0.86 676 K4III triple star
V388 And 13 V388 220885 115755 23h 27m 07.33s +42° 54′ 43.1″ 5.75 0.97 294 B9III α2 CVn variable, Vmax = 5.73m, Vmin = 5.77m, P = 1.47931 d
12 And 12 220117 115280 23h 20m 53.17s +38° 10′ 56.9″ 5.77 2.63 138 F5V трострука звијезда
1632 1657 00h 20m 45.54s +32° 54′ 40.4″ 5.79 −0.69 646 K5III
45 And 45 7019 5550 01h 11m 10.29s +37° 43′ 26.9″ 5.80 −1.44 916 B7III-IV дупла звијезда
HD 14622 14622 11090 02h 22m 50.36s +41° 23′ 47.5″ 5.81 2.44 154 F0III-IV има два оптичка пратиоца
10 And 10 219981 115191 23h 19m 52.38s +42° 04′ 40.9″ 5.81 −0.30 542 M0III
HD 222109 222109 116582 23h 37m 32.03s +44° 25′ 44.5″ 5.81 −1.20 823 B8V дупла звијезда
HD 224635 224635 118281 23h 59m 29.33s +33° 43′ 26.9″ 5.81 3.50 95 F8 звјездани систем
OU And OU 223460 117503 23h 49m 40.96s +36° 25′ 31.4″ 5.86 0.21 440 G1IIIe FK Com промјенљива, ΔV = 0.07m, P = 24.2 d
1439 1493 00h 18m 38.22s +31° 31′ 02.0″ 5.88 −0.23 543 A0IV
HD 2767 2767 2475 00h 31m 25.61s +33° 34′ 54.1″ 5.88 0.10 467 K1III... бинарана звијезда
HD 1606 1606 1630 00h 20m 24.39s +30° 56′ 08.2″ 5.89 −0.37 582 B7V suspected variable
11727 9001 01h 55m 54.47s +37° 16′ 40.1″ 5.89 −1.52 991 K5III optical component of 56 And
KK And KK 9531 7321 01h 34m 16.60s +37° 14′ 13.9″ 5.90 0.50 392 B8Vp(Si) α2 CVn промјенљива, ΔV = 0.012m, P = 0.6684 d
16176 12181 02h 36m 57.08s +38° 44′ 02.3″ 5.91 2.24 177 F5V
6 And 6 218804 114430 23h 10m 27.36s +43° 32′ 41.1″ 5.91 3.65 112 F5V Astrometric binary
10975 8423 01h 48m 38.84s +37° 57′ 10.6″ 5.94 1.06 308 K0III
39 And 39 6116 4903 01h 02m 54.28s +41° 20′ 42.7″ 5.95 0.84 344 A5m дупла звијезда
8671 6711 01h 26m 18.60s +43° 27′ 28.4″ 5.98 2.90 135 F7V
AN And 9 AN 219815 115065 23h 18m 23.33s +41° 46′ 25.3″ 5.98 0.17 472 A7m β Lyr промјенљива, Vmax = 5.96m, Vmin = 6.11m, P = 3.21952 d
HD 5608 5608 4552 00h 58m 14.19s +33° 57′ 03.8″ 5.99 2.17 190 K0 има транзитну планету (b)
224165 117956 23h 55m 33.48s +47° 21′ 21.0″ 6.01 −2.46 1614 G8Ib
224342 118071 23h 57m 03.63s +42° 39′ 29.7″ 6.01 −2.22 1442 F8III
4335 3604 00h 46m 10.80s +44° 51′ 41.4″ 6.03 0.32 452 B9.5IIIMNp.
13594 10403 02h 14m 02.53s +47° 29′ 03.8″ 6.05 2.96 135 F5V
HD 3883 3883 3269 00h 41m 35.98s +24° 37′ 44.6″ 6.06 0.30 462 A7m suspected variable
V439 And V439 166 544 00h 06m 36.53s +29° 01′ 19.0″ 6.07 5.39 45 K0V BY Draconis промјенљива звијезда, ΔV = 0.04m, P = 6.23 d
5118 4185 00h 53m 28.22s +37° 25′ 05.9″ 6.07 0.77 374 K3III:
221293 116030 23h 30m 39.54s +38° 39′ 44.0″ 6.07 −0.33 621 G9III
HD 223229 223229 117340 23h 47m 33.05s +46° 49′ 57.3″ 6.08 −1.96 1320 B3IV suspected variable
225239 394 00h 04m 53.21s +34° 39′ 34.4″ 6.09 3.26 120 G2V
59 And A 59 13294 10176 02h 10m 52.83s +39° 02′ 22.5″ 6.09 1.56 263 B9V бинарна звијезда
26 And 26 1438 1501 00h 18m 42.15s +43° 47′ 28.1″ 6.10 −0.53 692 B8V дупла звијезда
5526 4501 00h 57m 39.64s +45° 50′ 21.8″ 6.10 0.45 439 K2III
HD 225218 225218 365 00h 04m 36.60s +42° 05′ 33.2″ 6.11 −2.45 1680 B9III дупла звијезда
7647 5993 01h 17m 05.05s +44° 54′ 07.5″ 6.11 −0.18 590 K5
HD 1185 1185 1302 00h 16m 21.50s +43° 35′ 42.4″ 6.12 1.28 303 A2V дупла звијезда
218416 114162 23h 07m 10.05s +52° 48′ 59.6″ 6.12 0.55 423 K0III
GO And GO 4778 3919 00h 50m 18.21s +45° 00′ 08.1″ 6.13 1.34 296 A0p... α2 CVn промјенљива, ΔV = 0.04m, P = 2.5481 d
7158 5650 01h 12m 34.06s +45° 20′ 14.9″ 6.13 −0.52 698 M1III
66 And 66 15138 11465 02h 27m 51.75s +50° 34′ 12.7″ 6.16 2.54 173 F4V spectroscopic binary
14372 10924 02h 20m 41.50s +47° 18′ 39.0″ 6.17 −0.87 836 B5V
743 967 00h 11m 59.03s +48° 09′ 08.5″ 6.18 0.05 550 K4III
3411 2926 00h 37m 07.20s +24° 00′ 51.3″ 6.18 1.13 334 K2III
HD 221776 221776 116365 23h 34m 46.73s +38° 01′ 26.3″ 6.18 −0.41 678 K5 дупла звијезда
16327 12287 02h 38m 17.86s +37° 43′ 36.6″ 6.19 1.60 270 F6III трострука звијезда
HD 221246 221246 115996 23h 30m 07.39s +49° 07′ 59.3″ 6.19 −0.91 856 K5III члан NGC 7686 звјезданог јата
OP And OP 9746 7493 01h 36m 27.21s +48° 43′ 22.2″ 6.20 0.65 420 K1III: BY Dra промјенљива, ΔV = 0.09m
400 699 00h 08m 41.02s +36° 37′ 38.7″ 6.21 3.61 108 F8IV
14213 10814 02h 19m 10.84s +46° 28′ 20.2″ 6.21 0.50 452 A4V
952 1123 00h 14m 02.29s +33° 12′ 21.9″ 6.22 1.45 293 A1V
HD 895 895 1076 00h 13m 23.93s +26° 59′ 15.4″ 6.24 0.78 403 G0III трострука звијезда
222451 116824 23h 40m 40.47s +36° 43′ 14.6″ 6.24 3.01 144 F1V
224906 137 00h 01m 43.85s +42° 22′ 01.7″ 6.25 −1.80 1331 B9IIIp Mn
11613 8922 01h 54m 53.75s +40° 42′ 07.9″ 6.25 1.13 345 K2
HD 220105 220105 115261 23h 20m 44.11s +44° 06′ 58.5″ 6.25 1.73 261 A5Vn дупла звијезда
221661 116292 23h 33m 42.99s +45° 03′ 29.1″ 6.25 0.12 548 G8II
HD 2942 2942 2583 00h 32m 49.09s +28° 16′ 48.8″ 6.26 0.47 469 G8II трострука звијезда
8774 6776 01h 27m 06.21s +34° 22′ 39.3″ 6.27 3.12 139 F7IVsvar
2507 2270 00h 28m 56.67s +36° 53′ 58.9″ 6.28 0.51 464 G5III
8375 6512 01h 23m 37.31s +34° 14′ 44.2″ 6.28 2.43 192 G8IV
11624 8930 01h 54m 57.63s +37° 07′ 42.0″ 6.28 0.25 525 K0
7758 6087 01h 18m 10.14s +47° 25′ 11.0″ 6.29 −2.07 1531 K0
16350 12305 02h 38m 27.94s +38° 05′ 21.0″ 6.29 −0.47 734 B9.5V
219962 115171 23h 19m 41.37s +48° 22′ 51.1″ 6.29 0.47 475 K1III
217314 113501 22h 59m 10.37s +52° 39′ 16.0″ 6.31 −0.26 672 K2
10597 8127 01h 44m 26.53s +46° 08′ 23.2″ 6.32 0.23 540 K5III
219290 114714 23h 14m 14.34s +50° 37′ 04.5″ 6.32 0.82 411 A0V
10486 8044 01h 43m 16.39s +45° 19′ 21.5″ 6.33 2.61 181 K2IV
10874 8370 01h 47m 48.00s +46° 13′ 47.6″ 6.33 2.50 190 F6V
1075 1208 00h 15m 06.93s +31° 32′ 08.7″ 6.34 −1.70 1320 K5
HD 8673 8673 6702 01h 26m 08.62s +34° 34′ 47.7″ 6.34 3.43 125 F7V има планету (b)
1083 1215 00h 15m 10.55s +27° 17′ 00.5″ 6.35 0.84 412 A1Vn дупла звијезда
1527 1575 00h 19m 41.58s +40° 43′ 46.2″ 6.35 0.25 541 K1III
221970 116505 23h 36m 30.52s +32° 54′ 15.1″ 6.35 1.92 251 F6V
CG And CG 224801 63 00h 00m 43.62s +45° 15′ 12.0″ 6.36 −0.23 678 B9p SiEu α2 CVn промјенљива, Vmax = 6.32m, Vmin = 6.42m, P = 3.73975 d
HD 16004 16004 12057 02h 35m 27.89s +39° 39′ 52.1″ 6.36 0.11 580 B9MNp... трострука
13818 10562 02h 15m 57.69s +47° 48′ 43.4″ 6.37 0.61 462 G9III-IV
LN And LN 217811 113802 23h 02m 45.15s +44° 03′ 31.6″ 6.37 −1.42 1177 B2V дупла звијезда; not variable despite designation
V385 And V385 220524 115530 23h 24m 08.88s +41° 36′ 46.3″ 6.37 −1.55 1249 M0 нергуларна промјенљива, Vmax = 6.36m, Vmin = 6.47m
GY And GY 9996 7651 01h 38m 31.84s +45° 23′ 58.9″ 6.38 0.66 455 B9Vp (Cr-Eu) Promethium линије; α2 CVn промјенљива, Vmax = 6.27m, Vmin = 6.44m, P = 8000 d
13013 9983 02h 08m 33.55s +44° 27′ 34.4″ 6.38 0.78 430 G8III
218365 114152 23h 07m 04.99s +35° 38′ 11.3″ 6.38 −0.08 638 K0
9712 7444 01h 35m 52.46s +41° 04′ 35.1″ 6.39 1.01 388 K1III
V529 And V529 8801 6794 01h 27m 26.67s +41° 06′ 04.0″ 6.42 2.69 182 Am... δ Scuti промјенљива, ΔV = 0.03m, P = 0.40331 d
217731 113750 23h 02m 11.32s +44° 34′ 22.4″ 6.43 1.22 359 K0
HD 222641 222641 116941 23h 42m 14.68s +44° 59′ 30.3″ 6.43 −0.48 786 K5III suspected variable
HD 7853 7853 6140 01h 18m 47.02s +37° 23′ 10.7″ 6.44 0.71 456 A5m дупла звијезда
14221 10830 02h 19m 22.77s +48° 57′ 19.0″ 6.44 2.39 210 F4V
219668 114981 23h 17m 16.59s +45° 09′ 51.5″ 6.44 2.10 241 K0IV
HD 6114 6114 4911 01h 03m 01.47s +47° 22′ 34.3″ 6.46 1.39 337 A9V дупла звијезда
11884 9163 01h 57m 59.23s +47° 05′ 43.9″ 6.48 −1.24 1140 K0
ET And ET 219749 115036 23h 17m 55.99s +45° 29′ 20.2″ 6.48 0.36 545 B9Vp(Si) α2 CVn промјенљива, ΔV = 0.03m, P = 1.61888 d
HD 222399 222399 116781 23h 40m 02.82s +37° 39′ 10.2″ 6.49 1.74 291 F2IV дупла звијезда
PY And PY 3322 2865 00h 36m 20.00s +27° 15′ 17″ 6.50 -0.16 701 B8IIImnp... α2 CVn промјенљива, ΔV = ~0.03m
800 1009 00h 12m 34.08s +44° 42′ 26.1″ 6.50 0.50 517 K0
59 And B 59 13295 10180 02h 10m 53.67s +39° 02′ 36.0″ 6.82 −1.76 1698 A1Vn компонента 59 And система
HD 222155 222155 116616 23h 38m 00s +48° 59′ 47″ 7.1 3.65 160 G2V has a planet (b)
HD 16175 16175 12191 02h 37m 01.91s +42° 03′ 45.5″ 7.28 3.40 195 G0 Buna; има планету (b)
R And R 1967 1901 00h 24m 01.95s +38° 34′ 37.3″ 7.39 -5.19 790 S6.5IIIeZr6Ti2 Mira variable, Vmax = 5.8m, Vmin = 15.2m, P = 409.2 d
HD 1605 1605 1640 00h 20m 32.0s +30° 58′ 29″ 7.52 2.88 276 K1IV има двије планете (b & c)
HD 13931 13931 10626 02h 16m 47.38s +43° 46′ 22.8″ 7.52 4.3 144 G0 има двије планете (b)
HD 5583 5583 00h 57m 57.0s +34° 59′ 08″ 7.6 0.88 721 K0 има двије планете (b)
RW And RW 4489 00h 47m 18.92s +32° 41′ 08.6″ 7.9 -0.52 1375 M5e-M10e(S6,2e) Mira variable, Vmax = 7.9m, Vmin = 15.7m, P = 430 d
GRB 34 1326 1475 00h 18m 22.9s +44° 01′ 22″ 8.01 10.25 11.62 M6Ve + M1Ve 16th closest star system, бинарна звијезда; обе компоненте GQ и GX And бљесковитих звијезди
HD 15082 15082 11397 02h 26m 51.06s +37° 33′ 01.7″ 8.3 3.0 377 A5 has a transiting planet WASP-33b
Z And Z 221650 116287 23h 33m 39.95s +48° 49′ 05.9″ 10.53 2.38 1393 M2III + B1eq прототип Z And variables, Vmax = 7.7m, Vmin = 11.3m
HAT-P-6 23h 39m 05.81s +42° 27′ 57.5″ 10.54 4.03 650 F Sterrennacht; има транзитну планету (b)
HAT-P-16 00h 38m 17.56s +42° 27′ 47.2″ 10.8 3.9 766 F8 има транзитну планету (b)
HAT-P-32 02h 01m 10s +46° 41′ 16″ 11.29 3.76 1044 F/G има транзитну планету (b)
WASP-1 00h 20m 40.08s +31° 59′ 23.8″ 11.79 3.89 1239 F7V има транзитну планету (b)
Ross 248 23h 41m 54.99s +44° 10′ 40.8″ 12.29 14.79 10.32 M6e HH And; 8th closest star system, flare star
HAT-P-19 00h 38m 04s +34° 42′ 42″ 12.9 6.24 701 K има транзитну планету (b)
HAT-P-28 00h 52m 00s +34° 43′ 42″ 13.03 5.05 1288 G3 има транзитну планету (b)
HAT-P-53 01h 27m 29.0s +38° 58′ 05″ 13.73 4.45 2345 има транзитну планету (b)
S And S 00h 42m 43.11s +41° 16′ 04.2″ 2600000 Ia SN 1885A; BD+40°147a; тип Ia супернова у Андромеда галаксији, Vmax = 5.8m, Vmin = < 16m

Референце

  1. ^ It was commonly with δ Peg by Bayer.
  2. ^ Flamsteed lettered it as n.
  3. ^ Armando Gil de Paz et al., "The GALEX Ultraviolet Atlas of Nearby Galaxies," The Astrophysical Journal Supplement Series (ApJS), American Astronomical Society, 2007, 173 185–255.[5]
  4. ^ Bayer designated it as υ Per.
  5. ^ Bode lettered it as 2.υ, in his "Verzeichniss".
  6. ^ Flamsteed lettered it as υ.
  7. ^ Bode lettered it as 1.υ in his "Verzeichniss".
  8. ^ а б Final Results of NameExoWorlds Public Vote Released
  9. ^ E.B Knobel – On a catalogue of stars in the Calendarium of Al Achsasi Al Mouakket
  10. ^ а б Flamsteed unlettered it in his catalogue and atlas.
  11. ^ Bayer originally lettered it as υ.
  12. ^ Flamsteed lettered it as λ.
  13. ^ Flamsteed lettered it as d.
  14. ^ Flamsteed lettered it as ξ.
  15. ^ Flamsteed lettered it as h Per.
  16. ^ Persei, on the constellation boundary between Andromeda with Perseus

See also

References

Шаблон:Lists of stars by constellation Шаблон:Stars of Andromeda

4chan
Комерцијалностда
Тип
Imageboard
РегистрацијаНије доступна
Доступан наенглески
ВласникХиројуки Нисимура
ТворацКристофер Пул
Покренут1. октобар 2003. год.; пре 20 година (2003-10-01)[1]
Алекса ранг
Пад 813 (global, October 9th, 2020)

4chan је анонимни енглески веб-сајт за отпремање и преглед слика. Покренут од стране Кристофера "moot" Пула у октобру 2003, 4chan угошћује табле (board-ove) посвећене најразличитијим темама, од аниме-а и манге до видео игара, музике, литературе, фитнеса, политике, и спорта, између осталог.[2] Регистрација није могућа, и корисници сајта објављују анонимно; приче које примају недавне одговоре "набијају се" на врх своје табле и старе приче се аутоматски бришу како се креирају нове. 4chan прима више од 22 милиона јединствених мјесечних посјетилаца, са приближно 900,000 објава свакодневно.[3][4]

Страница је креирана као пандан јапанској страници Futaba Channel, такође позната као 2chan,[5] и прве табле су направљене за објављивањљ слика и дискусија везане за аниме. 4chan је описан као средиште интернетске субкултуре, при чему је заједница веб локације утицала на формирање и ширење истакнутих интернет мимова, укључујући лолкет, рикролинг и рејџ комиске, као и хакерске покрете попут Анонимоус. Иако је раније постојао велики број лијево оријентисаних либертаријанских активиста 4chan-а, дошло је до постепеног окретања десници на политичкој табли 4chan-а. Ова смјена се догодила средином 2010-их..[6] Значајни 4chan активизми укључујући акције преузете против Сајентолошке цркве као и против политичких покрета попут Окупације, Арапског прољећа и алт деснице.[7][8] 4chan је често био предмет медијске пажње као извор контроверзи, укључујући координацију подвала, узнемиравања, напада на друге веб странице и кориснике Интернета и објављивање илегалних садржаја, претњи насиљем, мизогинија и расизма. The Guardian је једном приликом резимирао заједницу 4chan-a као „луђачку, малољетничку ... бриљантну, смjешну и алармантну“".[9]


Референце

  1. ^ moot (1. 10. 2003). „Welcome”. 4chan. Приступљено 2. 8. 2008. 
  2. ^ „Frames - 4chan”. 4chan.org. Приступљено 28. 8. 2019. 
  3. ^ „4stats.io”. 4stats.io. Приступљено 21. 6. 2020. 
  4. ^ „Advertise - 4chan”. 4chan.org. Приступљено 21. 6. 2020. 
  5. ^ „FAQ – What is 4chan?”. 4chan. Приступљено 28. 8. 2019. 
  6. ^ Nagle 2017, стр. 13.
  7. ^ Dewey, Caitlin (25. 9. 2014). „Absolutely everything you need to know to understand 4chan, the Internet's own bogeyman”. The Washington Post. Архивирано из оригинала 22. 7. 2015. г. Приступљено 20. 10. 2016. 
  8. ^ „4Chan: The Rude, Raunchy Underbelly of the Internet”. Fox News. 8. 4. 2009. Архивирано из оригинала 22. 12. 2016. г. Приступљено 20. 10. 2016. 
  9. ^ Michaels, Sean (19. 3. 2008). „Taking the Rick”. The Guardian. London. Архивирано из оригинала 27. 7. 2008. г. Приступљено 24. 7. 2008. 

;_;This user enjoys 4chan.



M2 митраљез или Browning .50 калибар митраљез је тешки митраљез дизајниран предкрај Првог свјетског рата од стране Џона Браунинга. Дизајн је сличан ранијем Браунинговом митраљезу, који је био дизајниран за .30-06 калибар. M2 користи много већи и моћнији .50 BMG (12.7 mm) калибар, који је разивјен упоредо и и своје име носи по самом оружју (BMG значи Browning machine gun). Означен је као "Ma Deuce",[1] у односу на његову M2 номенклатуру. Дизајн је имао много специфичних ознака; званична америчка војна ознака за тренутни пјешадијски тип је Browning Machine Gun, Cal. .50, M2, HB, Flexible. Ефикасан је против пјешадије, неоклопљених или лако оклопних возила и чамаца, лаких утврђења и нисколетаних авиона.

The Browning .50 caliber machine gun has been used extensively as a vehicle weapon and for aircraft armament by the United States from the 1930s to the present day. It was heavily used during World War II, the Korean War, the Vietnam War, the Falklands War, the Soviet–Afghan War, the Gulf War, the Iraq War, and the War in Afghanistan in the 2000s and 2010s. It is the primary heavy machine gun of NATO countries and has been used by many other countries as well. The M2 has been in use longer than any other firearm in U.S. inventory except the .45 ACP M1911 pistol, also designed by John Browning.

The current M2HB is manufactured in the U.S. by General Dynamics[2] Ohio Ordnance Works,[3] and U.S. Ordnance[4] for use by the U.S. government, and for allies via Foreign Military Sales, as well as by foreign manufacturers such as FN Herstal.

  1. ^ Rottman, Gordon (2008). The US Army in the Vietnam War 1965–73. Reading: Osprey Publishing. стр. 56. ISBN 978-1-84603-239-4. 
  2. ^ „Contracts for Friday, September 03, 2010”. Defense.gov. Архивирано из оригинала 29. 5. 2011. г. Приступљено 2011-09-19. 
  3. ^ „.50 M2HB QCB (M2A1)”. Ohio Ordnance Military. Приступљено 2020-08-24. 
  4. ^ „Contracts for Wednesday, July 15, 2009”. Defense.gov. Архивирано из оригинала 29. 5. 2011. г. Приступљено 2011-09-19.