Bishop (chess)

Chess piece

White bishop

Black bishop

The bishop (♗, ♝) is a piece in the game of chess. It moves and captures along diagonals without jumping over interfering pieces. Each player begins the game with two bishops. The starting squares are c1 and f1 for White's bishops, and c8 and f8 for Black's bishops.

This article uses algebraic notation to describe chess moves.

## Placement and movement

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The king's bishop is placed on f1 for White and f8 for Black; the queen's bishop is placed on c1 for White and c8 for Black.

The bishop has no restrictions in distance for each move but is limited to diagonal movement. It cannot jump over other pieces. A bishop captures by occupying the square on which an enemy piece stands. As a consequence of its diagonal movement, each bishop always remains on one square color. Owing to this, it is common to refer to a bishop as a light-squared or dark-squared bishop.

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Initial placement of the bishops

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The black bishop can move to any of the squares marked by a black dot. The white bishop can move to any square marked by a white dot or capture the pawn on d7.

## Comparison – other pieces

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### Versus rook

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See also: Chess piece relative value and The exchange (chess)

A rook is generally worth about two pawns more than a bishop. The bishop has access to only half of the squares on the board, whereas all squares of the board are accessible to the rook. When unobstructed, a rook attacks fourteen squares regardless of position, whereas a bishop attacks no more than thirteen (from one of four center squares) and sometimes as few as seven (from sides and corners). A king and rook can force checkmate against a lone king, whereas a king and bishop cannot.[1] A king and two bishops on opposite-colored squares, however, can force mate.

### Versus knight

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Knights and bishops are each worth about three pawns. This means bishops are approximately equal in strength to knights, but depending on the game situation, either may have a distinct advantage. In general, the bishop is slightly stronger than the knight.

Less experienced players tend to underrate the bishop compared to the knight because the knight can reach all squares and is more adept at forking. More experienced players understand the power of the bishop.[2]

Bishops usually gain in relative strength towards the endgame as more pieces are captured and more open lines become available on which they can operate. A bishop can easily influence both wings simultaneously, whereas a knight is less capable of doing so. In an open endgame, a pair of bishops is decidedly superior to either a bishop and a knight, or two knights. A player possessing a pair of bishops has a strategic weapon in the form of a long-term threat to trade down to an advantageous endgame.[1]

Two bishops on opposite-colored squares and king can force checkmate against a lone king, whereas two knights cannot. A bishop and knight can force mate, but with far greater difficulty than two bishops.

In certain positions a bishop can by itself lose a move (see triangulation and tempo), while a knight can never do so. The bishop is capable of skewering or pinning a piece, while the knight can do neither. A bishop can in some situations hinder a knight from moving. In these situations, the bishop is said to be "dominating" the knight.

On the other hand, in the opening and middlegame a bishop may be hemmed in by pawns of both players, and thus be inferior to a knight which can jump over them. A knight check cannot be blocked but a bishop check can. Furthermore, on a crowded board a knight has many tactical opportunities to fork two enemy pieces. A bishop can fork, but opportunities are rarer. One such example occurs in the position illustrated, which arises from the Ruy Lopez: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 b5 6.Bb3 Be7 7.d4 d6 8.c3 Bg4 9.h3!? Bxf3 10.Qxf3 exd4 11.Qg3 g6 12.Bh6!

Bishop dominating a knight

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The knight cannot move to any of its four legal squares without being captured by the black bishop.

Example of bishop fork

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After 12...Nxe4?, the forking 13.Bd5! wins material after, e.g., 13...Nxg3 14.Bxc6+ Qd7 15.Bxd7+ Kxd7 16.fxg3.

## Game use

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### Good bishop and bad bishop

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Krasenkow vs. Zvjaginsev, 2004

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Position after 23.Rxa1. White's bishop is good, while Black's bishop is almost entirely useless.

In the middlegame, a player with only one bishop should generally place friendly pawns on squares of the color that the bishop cannot move to. This allows the player to control squares of both colors, allows the bishop to move freely among the pawns, and helps fix enemy pawns on squares on which they can be attacked by the bishop. Such a bishop is often referred to as a "good" bishop.

Conversely, a bishop which is impeded by friendly pawns is often referred to as a "bad" bishop (or sometimes, disparagingly, a "tall pawn"). The black light-squared bishop in the French Defense is a notorious example of this concept, as playing 1...e6 and 2...d5 results in there being two pawns impeding its ability to join the game. A bad bishop, however, need not always be a weakness, especially if it is outside its own pawn chains. In addition, having a bad bishop may be advantageous in an opposite-colored bishops endgame. Even if the bad bishop is passively placed, it may serve a useful defensive function; a well-known quip from GM Mihai Suba is that "Bad bishops protect good pawns."[3]

In the position from the game Krasenkow–Zvjaginsev, FIDE World Chess Championship 2004,[4] a thicket of black pawns hems in Black's bishop on c8, so Black is effectively playing with one piece fewer than White. Although the black pawns also obstruct the white bishop on e2, it has many more attacking possibilities, and thus is a good bishop vis-à-vis Black's bad bishop. Black resigned after another ten moves.

### Fianchetto

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Main article: Fianchetto

A bishop may be fianchettoed, for example after moving the g2 pawn to g3 and the bishop on f1 to g2. This can form a strong defense for the castled king on g1 and the bishop can often exert strong pressure on the long diagonal (here h1–a8). A fianchettoed bishop should generally not be given up lightly, since the resulting holes in the pawn formation may prove to be serious weaknesses, particularly if the king has castled on that side of the board.

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Archetypal fianchettos (for Black)

There are nonetheless some modern opening lines where a fianchettoed bishop is given up for a knight in order to double the opponent's pawns, for example 1.d4 g6 2.c4 Bg7 3.Nc3 c5 4.d5 Bxc3+!? 5.bxc3 f5, a sharp line originated by Roman Dzindzichashvili. Giving up a fianchettoed queen's bishop for a knight is usually less problematic. For example, in Karpov-Browne, San Antonio 1972, after 1.c4 c5 2.b3 Nf6 3.Bb2 g6?!, Karpov gave up his fianchettoed bishop with 4.Bxf6! exf6 5.Nc3, doubling Black's pawns and giving him a hole on d5.[5]

### Endgame

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An endgame in which each player has only one bishop, one controlling the dark squares and the other the light, will often result in a draw even if one player has a pawn or sometimes two more than the other. The players tend to gain control of squares of opposite colors, and a deadlock results. In endgames with same-colored bishops, however, even a positional advantage may be enough to win.[6]

#### Bishops on opposite colors

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Main article: Opposite-colored bishops endgame

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Endgames in which each player has only one bishop (and no other pieces besides the king) and the bishops are on opposite colors are often drawn, even when one side has an extra pawn or two. Many of these positions would be a win if the bishops were on the same color.

Wolf vs. Leonhardt, 1905

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Draw with either side to move

Bogoljubov vs. Blümich, 1925

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Position after 28...Kf8

The position from the game H. Wolf–P. Leonhardt, 1905 (see diagram) shows an important defensive setup. Black can make no progress, since the white bishop ties the black king to defending the pawn on g4 and it also prevents the advance ...f3+ because it would simply capture the pawn – then either the other pawn is exchanged for the bishop (an immediate draw) or the pawn advances (an easily drawn position). Otherwise the bishop alternates between the squares d1 and e2.[7]

If two pawns are connected, they normally win if they reach their sixth rank, otherwise the game may be a draw (as above). If two pawns are separated by one file they usually draw, but win if they are farther apart.[8]

In some cases with more pawns on the board, it is actually advantageous to have the bishops on opposite colors if one side has weak pawns. In the 1925 game Efim Bogoljubov–Max Blümich (see diagram), White wins because of the bishops being on opposite colors making Black weak on the dark squares, the weakness of Black's isolated pawns on the queenside, and the weak doubled pawns on the kingside.[9] The game continued:[10]

29.Kd2 Ke7 30.Kc3 f6 31.Kd4 Be6 32.Kc5 Kd7 33.Kb6 g5 34.Kxa6 Kc7 35.Bb6+ Kc8 36.Bc5 Kc7 37.Bf8 f5 38.Bxg7 f4 39.Bf6 f3 40.gxf3 exf3 41.Bxg5 Bxh3 42.Bf4+ 1–0

#### Wrong bishop

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Main articles: Wrong bishop and Wrong rook pawn

In an endgame with a bishop, in some cases the bishop is the "wrong bishop", meaning that it is on the wrong color of square for some purpose (usually promoting a pawn). For example, with just a bishop and a rook pawn, if the bishop cannot control the promotion square of the pawn, it is said to be the "wrong bishop" or the pawn is said to be the wrong rook pawn. This results in some positions being drawn (by setting up a fortress) which otherwise would be won.

## History

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Antique Indian chess bishop represented by the camel, carved from sandalwood

The bishop's predecessor in medieval chess, shatranj (originally chaturanga), was the alfil, meaning "elephant", which could leap two squares along any diagonal, and could jump over an intervening piece. As a consequence, each fil was restricted to eight squares, and no fil could attack another. The modern bishop first appeared shortly after 1200 in Courier chess.[11] A piece with this move, called a cocatriz or crocodile, is part of the Grande Acedrex in the Libro de los juegos compiled in 1283 for King Alfonso X of Castile. The game is attributed to "India", then a very vague term.[12] About half a century later Muḥammad ibn Maḥmud al-Āmulī, in his Treasury of the Sciences, describes an expanded form of chess with two pieces moving "like the rook but obliquely".[13] The bishop was also independently invented in Japan at about the same time (the 13th century), where it formed part of sho shogi and dai shogi; it remains present in modern shogi as the direct descendant of sho shogi.

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Where the alfil/elephant can move (cannot capture Black's knight)

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Where the bishop can move (can capture Black's knight)

Elephant chess piece from the Charlemagne chessmen, 11th century A pre-Staunton bishop Camel chess pieces, from a Mongolian set The bishops in the Lewis chessmen

Derivatives of alfil survive in the languages of the two countries where chess was first introduced within Western Europe—Italian (alfiere) and Spanish (alfil).[14] It was known as the aufin in French,[15] or the aufin, alphin, or archer in early English.[16]

The earliest references to bishops on the chessboard are two 13th-century Latin texts, De Vetula and Quaedam moralitas de scaccario.[17][18] The etymology of "bishop" comes from Old English bisceop "bishop, high priest," from Late Latin episcopus, from Greek episkopos "watcher, overseer." The term "bishop" as applied specifically to the chess piece was first recorded in the 16th century, with the first known written example dating back to the 1560s.[16] In all other Germanic languages, except for Icelandic, it is called various names, all of which directly translate to English as "runner" or "messenger". In Icelandic, however, it is called "biskup",[19] with the same meaning as in English. The use of the term in Icelandic predates that of the English language, as the first mentioning of "biskup" in Icelandic texts dates back to the early part of the 14th century, while the 12th-century Lewis Chessmen portray the bishop as an unambiguously ecclesiastical figure. In the Saga of Earl Mágus, which was written in Iceland somewhere between 1300 and 1325, it is described how an emperor was checkmated by a bishop. This has led to some speculations as to the origin of the English use of the term "bishop".[20][21][citation needed]

The canonical chessmen date back to the Staunton chess set of 1849. The piece's deep groove symbolizes a bishop's (or abbot's) mitre. Some have written that the groove originated from the original form of the piece, an elephant[22][23] with the groove representing the elephant's tusks.[24] The English apparently chose to call the piece a bishop because the projections at the top resembled a mitre.[25] This groove was interpreted differently in different countries as the game moved to Europe; in France, for example, the groove was taken to be a jester's cap, hence in France the bishop is called fou (jester) [26] and in Romania nebun (meaning crazy, but also jester).[27]

In some Slavic languages (e.g. Czech/Slovak) the bishop is called střelec/strelec, which directly translates to English as a "shooter" meaning an archer, while in others it is still known as "elephant" (e.g. Russian slon). In South Slavic languages it is usually known as lovac, meaning "hunter", or laufer, taken from the German name for the same piece (laufer is also a co-official Polish name for the piece alongside goniec). In Bulgarian the bishop is called "officer" (Bulgarian: офицер), which is also the piece's alternative name in Russian; it is also called αξιωματικός (axiomatikos) in Greek, афіцэр (afitser) in Belarusian and oficeri in Albanian.

In Mongolian and several Indian languages it is called the "camel".

In Lithuanian it is the rikis, a kind of military commander in medieval Lithuania.

In Latvia it is known as laidnis, a term for the wooden handle part of some firearms.[28]

### Name translations

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Overview of chess piece names  Language

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Afrikaans | L Loper | runner
Albanian | F Fili / Oficeri | elephant / officer
Arabic | ف فيل (fīl) | elephant
Azerbaijani | F Fil | elephant
Armenian | Փ Փիղ (P῾ił) | elephant
Basque | A Alfila |
Belarusian (Taraškievica)  | А афіцэр | officer
Bengali | H গজ / হাতি (gôj / hāti) | Elephant
Bulgarian | О офицер | officer
Catalan | A alfil |
Chinese | B 象 (xiàng) | elephant
Czech | S střelec | shooter
Danish | L løber | runner
Dutch | L loper / raadsheer | runner / counsellor
English | B bishop |
Esperanto | K kuriero | courier
Estonian[29] | O oda | spear
Finnish | L lähetti | messenger
French | F fou | jester
Galician | B bispo | bishop
Georgian | კ კუ (ku) | tortoise
German[30] | L Läufer | runner
Greek | Α αξιωματικός (axiomatikós) | officer
Hindi | O ऊँट (ūṁṭ) | camel
Hebrew | ר רץ (Ratz) | runner
Hausa | G giwa | elephant
Hungarian | F futó | runner
Icelandic | B biskup | bishop
Ido | E episkopo | bishop
Indonesian | G gajah | elephant
Interslavic | L lovec | hunter
Irish | E easpag | bishop
Italian | A alfiere | standard-bearer
Japanese | B ビショップ (bishoppu) |
Javanese | M mentri | minister
Kannada | ರ ರಥ (ratha) | chariot
Kazakh | П піл (pıl) | elephant
Korean | B 비숍 (bi syob) |
Latin | A signifer / cursor / stultus / alphinus | standard-bearer / messenger / fool[31]
Latvian | L laidnis |
Lithuanian | R rikis | Lithuanian military commander
Luxembourgish | L Leefer | runner
Macedonian | L ловец | hunter
Malayalam | B ആന (aana) | elephant
Marathi | O उंट (Unṭ) | camel
Mongolian | Т тэмээ (temee) | camel
Norwegian Bokmål | L løper | runner
Norwegian Nynorsk | L løpar | runner
Odia | B ହାତୀ (hati) | elephant
Oromo
Persian | ف فیل | elephant
Polish | G goniec / laufer | courier / (ger. derived)
Portuguese | B bispo | bishop
Romanian | N nebun | fool
Russian | С слон (slon) | elephant
Scottish Gaelic | E easbaig | bishop
Serbo-Croatian | L lovac / strijelac / laufer (Л ловац / стрелац / лауфер) | hunter / archer / runner
Northern Sotho | Mp Mopišopo |
Sicilian | A alferu |
Slovak | S strelec | shooter
Slovene | L lovec | hunter
Spanish | A alfil |
Swedish | L löpare | runner
Tamil | B அமைச்சர் / மந்திரி (amaicchar / manthiri) | minister
Telugu | శకటు (śakaţu) |
Thai | ค โคน (khon) |
Turkish | F fil | elephant
Ukrainian | C слон (slon) | elephant
Urdu | فيلہ (fīlah) |
Vietnamese | T tượng / tịnh / voi | elephant
Welsh | E esgob | bishop

## Unicode

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Main article: Chess symbols in Unicode

Unicode defines three codepoints for a bishop:

♗ U+2657 White Chess Bishop

♝ U+265D Black Chess Bishop

🨃 U+1FA03 Neutral Chess Bishop

## See also

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* Bishop and knight checkmate
* Chess endgame
* Chess piece
* Chess piece relative value
* (the) Exchange – a bishop (or knight) for a rook
* Opposite-colored bishops endgame
* Rules of chess
* Staunton chess set
* Wrong bishop – a bishop may be on the wrong color
* Wrong rook pawn

## Citations

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1. ^ a b "The value of the chess pieces". Schach.de. Retrieved 2021-03-11.
2. ^ (Mednis 1990:2)
3. ^ Discussions on the strength of bishops is covered e.g. in "The Art of Planning, part 2" by Jeremy Silman published in the July 1990 issue of Chess Life. Suba's quote is mentioned e.g. in Secrets of Modern Chess Strategy, Advances Since Nimzowitsch by John Watson.
4. ^ "Krasenkow vs. Zvjaginsev, 2004". Chessgames.com.
5. ^ "Anatoly Karpov vs. Walter Shawn Browne, 1972". Chessgames.com.
6. ^ (Mednis 1990:133–34)
7. ^ (Müller & Lamprecht 2001:118)
8. ^ (Fine & Benko 2003:184–204)
9. ^ (Reinfeld 1947:80–81)
10. ^ "Efim Bogoljubov vs. Max Bluemich, 1925". Chessgames.com.
11. ^ Murray 1913, p. 483
12. ^ Murray 1913, p. 348
13. ^ Murray 1913, p. 344
14. ^ The Spanish alfil is simply a loanword of the Persian term, without any other meaning; while the Italian form became alfiere—an already existing Germanic- or Arabian-derived word for "standard-bearer".
15. ^ Yalom, Marilyn. Birth of the Chess Queen. New York: Perennial, 2004. p. 70.
16. ^ a b Piececlopedia: Bishop Archived 2010-02-05 at the Wayback Machine from Online Etymology Dictionary
17. ^ Archaeologia, Or, Miscellaneous Tracts Relating to Antiquity, Volume 11 [1] Archived 2022-11-01 at the Wayback Machine
18. ^ Murray, H. J. R. (1913). A History of Chess, Oxford University Press. p. 507 [2], p. 521 [3] pp. 530–533 [4].
19. ^ Piececlopedia: Bishop Archived 2010-06-12 at the Wayback Machine from chessvariants.org
20. ^ Reopening History of Storied Norse Chessmen Archived 2017-12-08 at the Wayback Machine from nytimes.com
21. ^ Fiske 1905
22. ^ The Oxford Companion to Chess
23. ^ The Everything Chess Basic Book, by the US Chess Federation and Peter Kurzdorfer, 2003, pp. 32–33.
24. ^ Golombek, 1976, p. 80
25. ^ Davidson, pp. 35–36
26. ^ The word can also mean madman or gannet.
27. ^ Davidson, p. 35
28. ^ [5] Archived 2022-06-01 at the Wayback Machine Tezaurs - Latvian Definition Dictionary
29. ^ The Estonian chess terms were coined by Ado Grenzstein.
30. ^ "Handbook". www.fide.com. Retrieved 22 March 2019. "The pieces bear the names: Koenig, Dame, Turm, Laeufer, Springer, Bauer"
31. ^ Murray 1913, p. 782

## References

[edit]

* Barden, Leonard (1980), Play better chess with Leonard Barden, Octopus Books Limited, p. 10, ISBN 978-0-7134-8769-5
* Brace, Edward R. (1977), An Illustrated Dictionary of Chess, Hamlyn Publishing Group, pp. 34–35, ISBN 1-55521-394-4
* Davidson, Henry (1981), A Short History of Chess (1949), McKay, ISBN 0-679-14550-8
* Fine, Reuben; Benko, Pal (2003), Basic Chess Endings (1941), McKay, ISBN 0-8129-3493-8
* Fiske, Willard (1905), Chess in Iceland and in Icelandic literature, with historical notes on other table games (1905), The Florentine typographical society
* Golombek, Harry (1976), Chess: A History, Putnam, ISBN 0-399-11575-7
* Hooper, David; Whyld, Kenneth (1996) [First pub. 1992], "bishop", The Oxford Companion to Chess (2nd ed.), Oxford University Press, p. 41, ISBN 0-19-280049-3
* Kurzdorfer, Peter (2003), The Everything Chess Basics Book, Adams Media, ISBN 978-1-58062-586-9
* Mednis, Edmar (1990), Practical Bishop Endings, Chess Enterprises, ISBN 0-945470-04-5
* Müller, Karsten; Lamprecht, Frank (2001), Fundamental Chess Endings, Gambit Publications, ISBN 1-901983-53-6
* Murray, H. J. R. (1913), A History of Chess, Oxford University Press, ISBN 0-19-827403-3 `{{citation}}`: ISBN / Date incompatibility (help)
* Reinfeld, Fred (1947), Reinfeld on the End-game in Chess, Dover Publications

## External links

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Wikimedia Commons has media related to Chess bishops.

* Piececlopedia: Bishop by Fergus Duniho and Hans Bodlaender, The Chess Variant Pages

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* Skewer
* Undermining
* Windmill
* X-ray
* Zwischenzug

Strategy|

* Compensation
* Exchange
* the exchange
* Initiative
* first-move advantage
* Middlegame
* Pawn structure
* Hedgehog
* Isolated Queen's Pawn
* Maróczy Bind
* Minority attack
* Piece values
* Prophylaxis
* School of chess

Openings|

| Flank opening|

* Benko Opening
* Bird's Opening
* Dunst Opening
* English Opening
* Grob's Attack
* Larsen's Opening
* Zukertort Opening
* King's Indian Attack
* Réti Opening

|

King's Pawn Game|

* Alekhine's Defense
* Caro–Kann Defense
* French Defense
* Modern Defense
* Nimzowitsch Defense
* Open Game
* Four Knights Game
* Giuoco Piano
* Italian Game
* King's Gambit
* Petrov's Defense
* Philidor Defense
* Ponziani Opening
* Ruy Lopez
* Semi-Italian Opening
* Scotch Game
* Two Knights Defense
* Vienna Game
* Owen's Defense
* Pirc Defense
* Austrian Attack
* Scandinavian Defense
* Sicilian Defence
* Alapin
* Dragon/Accelerated Dragon
* Najdorf
* Scheveningen

Queen's Pawn Game|

* Budapest Gambit
* Colle System
* Dutch Defense
* English Defense
* Indian Defense
* Benoni Defense
* Modern Benoni
* Bogo-Indian Defense
* Catalan Opening
* Grünfeld Defense
* King's Indian Defense
* Nimzo-Indian Defense
* Old Indian Defense
* Queen's Indian Defense
* London System
* Richter–Veresov Attack
* Queen's Gambit
* Accepted
* Declined
* Slav Defense
* Semi-Slav Defense
* Chigorin Defense
* Torre Attack
* Trompowsky Attack

Other|

* List of openings
* theory table
* List of chess gambits
* Irregular
* Bongcloud Attack
* Fool's mate
* Scholar's mate

Endgames|

* Bishop and knight checkmate
* King and pawn vs. king
* Opposite-colored bishops
* Pawnless endgame
* Queen and pawn vs. queen
* Queen vs. pawn
* Queen vs. rook
* Rook and bishop vs. rook
* Rook and pawn vs. rook
* Lucena position
* Philidor position
* Strategy
* fortress
* opposition
* Tarrasch rule
* triangulation
* Zugzwang
* Study
* Tablebase
* Two knights endgame
* Wrong bishop
* Wrong rook pawn

Tournaments|

* List of strong chess tournaments
* Chess Olympiad
* Women
* World Chess Championship
* List
* Candidates Tournament
* Chess World Cup
* FIDE Grand Prix
* Other world championships
* Women
* Team
* Rapid
* Blitz
* Junior
* Youth
* Senior
* Amateur
* Chess composition
* Solving
* Computer chess championships
* CCC
* CSVN
* North American
* TCEC
* WCCC
* WCSCC

Art and media|

* Caïssa
* Chess aesthetics
* Chess in the arts
* early literature
* film
* novels
* paintings
* poetry
* short stories
* Chess books
* opening books
* endgame literature
* Oxford Companion
* Chess libraries
* Chess newspaper columns
* Chess periodicals

Related|

* Arbiter
* Chess boxing
* Chess club
* Chess composer
* Chess engine
* AlphaZero
* Deep Blue
* Leela Chess Zero
* Mittens
* Stockfish
* Chess problem
* glossary
* joke chess
* Chess prodigy
* Elo rating system
* Mechanical Turk
* Simultaneous exhibition
* Tie-breaking in Swiss-system tournaments
* Solving chess

* Chess portal
* Category

Authority control databases: National |

* Germany
* United States
* Israel

|

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