List of chess variants

Gliński's Hexagonal Chess by Władysław Gliński (1936) was popular in Eastern Europe with a reported half-million players.[1] It is one of more than 2,000 published chess variants.

This is a list of chess variants. Many thousands of variants exist; the 2007 catalogue in The Encyclopedia of Chess Variants estimates that there are well over 2,000, with the author noting that many more known variants were considered too trivial for inclusion.[2] This list includes those variants for which an article exists on the English Wikipedia, as well as some other variants of importance.

abcdefgh
8
a8 black rook
b8 black knight
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
e7 black pawn
f7 black pawn
g7 black pawn
h7 black pawn
a2 white pawn
b2 white pawn
c2 white pawn
d2 white pawn
e2 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
f1 white bishop
g1 white knight
h1 white rook
8
77
66
55
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abcdefgh
Standard chess

Chess-derived games

These chess variants are derived from chess by changing the board, board setup, pieces, or rules.

Orthodox chess rules

Many variants employ standard chess rules and mechanics, but vary the starting position of the pieces or number of pieces.

Orthodox rules on a standard 8×8 board

Different starting position

These variants use standard boards and pieces, but the pieces start on nontraditional squares. In most such variants, the pawns are placed on their usual squares, but the position of other pieces is either randomly determined or selected by the players. The motivation for these variants is usually to nullify established opening knowledge. The downside of these variants is that the initial position usually has less harmony and balance than the standard chess position.[3]

abcdefgh
8
a8 black bishop
b8 black knight
c8 black rook
d8 black bishop
e8 black knight
f8 black king
g8 black rook
h8 black queen
a7 black pawn
b7 black pawn
c7 black pawn
d7 black pawn
e7 black pawn
f7 black pawn
g7 black pawn
h7 black pawn
a2 white pawn
b2 white pawn
c2 white pawn
d2 white pawn
e2 white pawn
f2 white pawn
g2 white pawn
h2 white pawn
a1 white bishop
b1 white knight
c1 white rook
d1 white bishop
e1 white knight
f1 white king
g1 white rook
h1 white queen
8
77
66
55
44
33
22
11
abcdefgh
Chess960, one of the 960 possible starting positions
abcdefgh
8
a8 white rook
b8 white knight
c8 white bishop
d8 white king
e8 white queen
f8 white bishop
g8 white knight
h8 white rook
a7 white pawn
b7 white pawn
c7 white pawn
d7 white pawn
e7 white pawn
f7 white pawn
g7 white pawn
h7 white pawn
a2 black pawn
b2 black pawn
c2 black pawn
d2 black pawn
e2 black pawn
f2 black pawn
g2 black pawn
h2 black pawn
a1 black rook
b1 black knight
c1 black bishop
d1 black king
e1 black queen
f1 black bishop
g1 black knight
h1 black rook
8
77
66
55
44
33
22
11
abcdefgh
Upside-down chess starting position (White sits at bottom)
  • Chess960 (or Fischer Random Chess): The placement of the pieces on the first rank is randomised, with the opponent's pieces mirroring it. Invented by Bobby Fischer (1996).
  • Displacement chess: Some pieces in the initial position are exchanged but the rules remain exactly the same. Some examples of this may be that the king and queen are flipped, or the knight on the b-file is traded with the bishop on the f-file.
  • Pre-chess:[4] Proposed by Pal Benko in 1978. The game starts with white and black pawns set as usual, but the initial position of other pieces is selected by the players. White first places one of his pieces on his first rank, and then Black does the same. Players continue to alternate in this manner until all pieces have been placed, with the only restriction being that bishops must be on opposite-colour squares. The game then proceeds in the usual way.
  • Transcendental Chess: Similar to Chess960, but the opening white and black positions do not mirror each other.
  • Upside-down chess:[5] The white and black pieces are switched so that White's pieces are on the 8th rank, with pawns on the 7th rank, one step away from promotion. The starting position looks like a standard chess starting position, but from the other player's perspective. As the pawns are blocked by pieces in the starting position, the game always starts with a knight move and smother checkmates are common.
Different number of pieces

These variants use standard chess pieces on a standard board, but players begin with unorthodox numbers of pieces. For example, starting with multiple queens or fewer pawns. Many such games use unbalanced starting positions, with one player having more or less of a particular piece than the other player.

  • Charge of the Light Brigade:[6] Apart from the usual king and pawns, one side has three queens and the other has seven knights.
  • Dunsany's Chess (and the similar Horde chess): One side has standard chess pieces, and the other side has 32 pawns (or 36 in the case of Horde chess).
  • Endgame chess (or The Pawns Game):[7] Players start the game with only pawns and a king. Normal check, checkmate, en passant, and pawn promotion rules apply.
  • Handicap chess (or Chess with odds): Variations to equalise chances of players with different strength.
  • Peasants' Revolt:[8][9] White has a king and eight pawns (the peasants) against Black's king, pawn, and four knights (the nobles). Black has the advantage. To narrow the contest, the game has also been played with three knights (on b8, c8, and g8) instead of four. By R. L. Frey (1947).
  • Sixteen Pawns:[10] White plays without his queen, but chooses where on the third and fourth ranks to place eight extra pawns. By Legall de Kermeur (18th century). Alexandre Deschapelles and Louis-Charles Mahé de La Bourdonnais later established that eight extra pawns favour White too much, and hence played the game with only five, six, or seven extra pawns for White instead.
  • Really Bad Chess: A mobile video game by Zach Gage; Each player has one king and fifteen other pieces selected at random.
  • Weak!:[11] White has the usual pieces, Black has one king, seven knights, and sixteen pawns. This game was played at a Columbia University chess club in the 1960s.
abcdefgh
8
a8 black knight
b8 black knight
c8 black knight
d8 black knight
e8 black king
f8 black knight
g8 black knight
h8 black knight
a7 black pawn
b7 black pawn
c7 black pawn
d7 black pawn
e7 black pawn
f7 black pawn
g7 black pawn
h7 black pawn
a2 white pawn
b2 white pawn
c2 white pawn
d2 white pawn
e2 white pawn
f2 white pawn
g2 white pawn
h2 white pawn
b1 white queen
d1 white queen
e1 white king
g1 white queen
8
77
66
55
44
33
22
11
abcdefgh
Charge of the Light Brigade
abcdefgh
8
a8 black rook
b8 black knight
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
e7 black pawn
f7 black pawn
g7 black pawn
h7 black pawn
a4 white pawn
b4 white pawn
c4 white pawn
d4 white pawn
e4 white pawn
f4 white pawn
g4 white pawn
h4 white pawn
a3 white pawn
b3 white pawn
c3 white pawn
d3 white pawn
e3 white pawn
f3 white pawn
g3 white pawn
h3 white pawn
a2 white pawn
b2 white pawn
c2 white pawn
d2 white pawn
e2 white pawn
f2 white pawn
g2 white pawn
h2 white pawn
a1 white pawn
b1 white pawn
c1 white pawn
d1 white pawn
e1 white pawn
f1 white pawn
g1 white pawn
h1 white pawn
8
77
66
55
44
33
22
11
abcdefgh
Dunsany's Chess by Lord Dunsany
abcdefgh
8
b8 black knight
c8 black knight
e8 black king
f8 black knight
g8 black knight
e7 black pawn
a2 white pawn
b2 white pawn
c2 white pawn
d2 white pawn
e2 white pawn
f2 white pawn
g2 white pawn
h2 white pawn
e1 white king
8
77
66
55
44
33
22
11
abcdefgh
Peasants' Revolt by R. L. Frey
abcdefgh
8
a8 black knight
b8 black queen
c8 black pawn
d8 black bishop
e8 black king
f8 black pawn
g8 black pawn
h8 black rook
a7 black bishop
b7 black pawn
c7 black knight
d7 black knight
e7 black bishop
f7 black bishop
g7 black bishop
h7 black bishop
a2 white knight
b2 white knight
c2 white knight
d2 white knight
e2 white knight
f2 white knight
g2 white knight
h2 white knight
a1 white rook
b1 white knight
c1 white queen
d1 white queen
e1 white king
f1 white queen
g1 white knight
h1 white queen
8
77
66
55
44
33
22
11
abcdefgh
Really Bad Chess (example) by Zach Gage
abcdefgh
8
a8 black knight
b8 black knight
c8 black knight
d8 black knight
e8 black king
f8 black knight
g8 black knight
h8 black knight
a7 black pawn
b7 black pawn
c7 black pawn
d7 black pawn
e7 black pawn
f7 black pawn
g7 black pawn
h7 black pawn
c6 black pawn
f6 black pawn
b5 black pawn
c5 black pawn
d5 black pawn
e5 black pawn
f5 black pawn
g5 black pawn
a2 white pawn
b2 white pawn
c2 white pawn
d2 white pawn
e2 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
f1 white bishop
g1 white knight
h1 white rook
8
77
66
55
44
33
22
11
abcdefgh
Weak! by Ralph Betza

Orthodox rules on an unorthodox board

Double Chess by Julian Hayward
Infinite chess. One example with pieces in their standard positions.[12]
Masonic Chess by George Dekle Sr.
Rhombic Chess by Tony Paletta

In these variants, the same pieces and rules as in chess are used, but the board is different; It can be smaller or larger, the shape of either the board or individual spaces can be non-square or modular,[13] or it can even be extra-dimensional or unbounded. The movement of pieces in some variants is modified in concurrence with the geometry of the gameboard.

  • Active Chess:[14] Played on a 9×8 board, adding a queen with an extra pawn in front. Invented by G. Kuzmichov (1989), whose students tested the game, deciding that the optimal starting position was to place the second queen on the eighth or ninth files.
  • Balbo's Game: A novel-shaped board with 70 squares. Full armies for each player, minus one pawn. No castling. By G. Balbo (1974).
  • Brusky's Hexagonal Chess: Chess on an irregular board of 84 hex cells. Same as Gliński's Hexagonal Chess, but with ten pawns instead of nine, linear startup, two forward move directions for pawns, pawns capture forward diagonally, and castling. By Yakov Brusky (1966).
  • Circular chess: Played on a circular board consisting of four rings, each of sixteen squares.
  • Cross chess: Cross-shaped cells, board geometry like hex chess but moves akin to normal chess (e.g. bishops have four directions (not six); queens eight (not twelve)). Extra rook, knight, and pawn per side. By George Dekle Sr.
  • Cylinder chess: Played on a cylinder board with a- and h-files "connected". Thus a player can use them as if the a-file were next to the h-file (and vice versa).
  • De Vasa's Hexagonal Chess: Chess on a rhombus-shaped board of 81 hex cells. Same as Gliński's Hexagonal Chess, but linear startup, two forward move directions for pawns, pawns capture forward diagonally to the side, and castling. Invented by Helge E. de Vasa (1953).
  • Double Chess: Two full armies per side on a 12×16 board, the first to mate an enemy king wins. Pawns advance up to four steps on their first move. Capablanca found the game "remarkably interesting".[15] Invented by Julian Hayward (1916).
  • Doublewide chess:[16] Two regular chessboards are connected (for a 16×8 play surface). Each player plays with two complete sets of chess pieces.
  • Flying chess: Played on a board of 8×8×2, giving a total of 128 cells. Only certain pieces can move to and from the additional level.[17]
  • Gliński's Hexagonal Chess: The most popular version of chess for the hex board. Includes three bishops, nine pawns, 91 hex cells. Invented by Władysław Gliński (1936).
  • Grid chess: The board is overlaid with a grid of lines. For a move to be legal, it must across at least one of these lines.
  • Hexagonal chess: A family of variants played on a hexgrid with three colours and three bishops.
  • Infinite chess:[18] Numerous players and mathematicians have conceived of chess variations played on an unbounded chessboard.[12] In one example, when using "Converse's rules," the pieces and their relative starting positions are unchanged - only the board is infinitely large.[18]
  • Los Alamos chess (or Anti-Clerical chess): Played on a 6×6 board without bishops. This was the first chess-like game played by a computer program.
  • Masonic Chess: Every other board rank is indented. Same as chess, with moves adapted to the new brickwork-like board. By George Dekle Sr.
  • McCooey's Hexagonal Chess: Chess on the same hexagonal board as Gliński's Hexagonal Chess, but using a different starting array, seven pawns instead of nine, and pawns capture forward diagonally. By Richard Honeycutt and David McCooey (1978-1979).
  • Minichess: A family of variants played with regular chess pieces and standard rules, but on a smaller board.
  • Polgar reform chess: In his book Reform-Chess (1997), László Polgár proposed several variants played on board of size 5×8, 6×8, 8×6, or 9×6.[19] The initial piece setup is determined by players in the same way as in Benko's Pre-chess. There are special rules for castling depending on the board. Polgar recommended these variants to train creativity and to speed up the game.
  • Polgar Superstar Chess:[20] Hexagonal variant played on a special star-shaped board. Invented by László Polgár (2002).[21]
  • Rhombic chess: Uses a hex-shaped board comprising 72 rhombus cells. Normal set of chess pieces move edgewise or pointwise. Checkmate objective as usual. By Tony Paletta (1980).
  • Shafran's Hexagonal Chess: Chess on an irregular hex board of 70 cells. Same as Gliński's Hexagonal Chess, but differs by starting position, pawn first-move options, pawns capturing forward diagonally, and castling. Invented by Grigorevich Shafran (1939).
  • Spherical chess: A family of variants played on a chessboard wrapped around a sphere. The a- and h-files are adjacent. The poles are circular or octagonal and may or may not be occupied according to the variant. There are no board edges, so kings always have eight adjacent squares. Trans-polar diagonal moves mostly differentiate between variants.[22][23]

Unorthodox rules with traditional pieces

These variants introduce changes in the mechanics of the game, such as movement of pieces, rules for capturing, or winning conditions, using standard chess pieces.

Unorthodox rules on a standard 8×8 board

  • Absorption chess (also called cannibal chess, power absorption chess, or seizer's chess): Pieces gain the abilities of the pieces they capture.[24][25]
  • Andernach chess: A piece making a capture changes colour.
  • Atomic chess: Capture on any square results in an "atomic explosion" which kills (i.e. removes from the game) all pieces in the eight surrounding squares, except for pawns.
  • Beirut Chess: Players secretly equip one of their men with a "bomb", which can be detonated at any time, wiping out all pieces on surrounding squares. Win by checkmating the opponent, or blowing up his king. By Jim Winslow (1992).
  • Benedict chess:[26] Pieces are not allowed to be "captured". Example: if a white bishop 'captures' a black knight, that knight is then removed and replaced with a white knight on the same square. The 'attacking' bishop does not move.
  • Checkers chess:[27] Normal rules of chess. However, pieces can only move forwards until they have reached the far rank.
  • Checkless chess: Players are forbidden from giving check except to checkmate.
  • Circe chess: Captured pieces are reborn on their starting squares.
  • Crazyhouse: Captured pieces change the colour and can be dropped on any unoccupied location. There are two variations of this variant, known as Loop chess and Chessgi.
  • Cubic Chess: Piece cubes display the six piece types, a player can promote any pawn by rotating its cube to match a captured piece type. By Vladimír Pribylinec (1977).
  • Dynamo Chess: Capturing is replaced by pushing or pulling enemy pieces off the board. By Hans Klüver and Peter Kahl (1968). A close variant of Push Chess (by Fred Galvin, 1967).
  • Einstein chess:[28] Pieces transform into more or less powerful pieces when they move.
  • Extinction chess: To win, a player must capture all of any one type of pieces of the opponent (for example, all the knights an opponent has, or all their pawns, etc.).
  • Guard chess (or Icelandic chess):[29] Allows captures only when a piece is completely unprotected by friendly pieces. Checkmate occurs when the piece forcing the mate is protected and therefore cannot be captured.
  • Haft Schrödinger Chess:[30] Every piece starts in a quantum superposition initially able to be any piece until the waveform is collapsed by observation. As in chess, Haft Schrödinger Chess does not have hidden information, whereas Schrödinger's Chess is regarded as a game of hidden information.
  • Hierarchical chess:[31] Pieces must be moved in the order: pawn, knight, bishop, rook, queen, king. A player who has the corresponding piece but cannot move it loses.
  • Hostage chess: Captured pieces are held in the capturer's "prison", and can be released by the opponent and dropped into play (like shogi) via a "hostage exchange". By John Leslie (1997).
  • Jedi Knight chess:[32] Knights may move three steps diagonally or horizontally or both, depending on the rules accepted.
  • Kamikaze chess (or Hara-Kiri chess):[33] When capturing, the capturing piece is removed from play also. So, a king cannot defend itself by capturing an attacker. A capture is not allowed if it exposes the king to discovered check. Idea from B. G. Laws (1928).
  • Kamikaze chess: A variant of Losing chess. The king is royal and removing a check takes precedence over capturing. The king must be lost last; moving into check is permitted after all other men have been captured.
  • King of the Hill:[34] In addition to checkmate, a legal move that moves one's own king to one of the center squares (d4, d5, e4, e5) wins. This is analogous to sannin shogi's rule that allows a player to win by legally moving their king to the center.
  • Knight Relay chess: Pieces defended by a friendly knight can move as a knight.
abcdefgh
8
a8 black rook
b8 black upside-down king
c8 black bishop
d8 black queen
e8 C d
f8 black bishop
g8 black upside-down king
h8 black rook
a7 black pawn
b7 black pawn
c7 black pawn
d7 black pawn
e7 black pawn
f7 black pawn
g7 black pawn
h7 black pawn
a2 white pawn
b2 white pawn
c2 white pawn
d2 white pawn
e2 white pawn
f2 white pawn
g2 white pawn
h2 white pawn
a1 white rook
b1 white upside-down king
c1 white bishop
d1 white queen
e1 C e
f1 white bishop
g1 white upside-down king
h1 white rook
8
77
66
55
44
33
22
11
abcdefgh
Knightmate starting position
  • Knightmate (or Mate The Knight):[35] The goal is to checkmate the opponent's knight (initially on e-file). The kings on b- and g-files can be captured as other pieces. Pawns can promote to kings but not to knights. By Bruce Zimov (1972).
  • Legan chess: Played as if the board would be rotated 45°, initial position and pawn movements are adjusted accordingly.
  • Losing chess (or Antichess, Giveaway chess, Suicide chess, Killer chess, Take-all chess, Reverse chess): Capturing moves are mandatory and the object is to lose all one's pieces. There is no check; the king is captured like an ordinary piece.
  • Madrasi chess (or Weird chess): A piece which is attacked by the same type of piece of the opposite colour is paralysed.
  • Monochromatic chess: All pieces must stay on the same colour square as they initially begin.
  • Patrol chess: Captures and checks are only possible if the capturing or checking piece is guarded by a friendly piece.
  • PlunderChess: The capturing piece is allowed to temporarily take the moving abilities of the piece taken.
  • Pocket Knight Chess (or Tombola Chess):[36][37] Players have an extra knight they keep at the side of the board. Once during the game, a player may place the knight on any empty square for his move. Play then proceeds as normal.
abcdefgh
8
a2 black king
b2 black rook
c2 black bishop
d2 black knight
e2 white knight
f2 white bishop
g2 white rook
h2 white king
a1 black queen
b1 black rook
c1 black bishop
d1 black knight
e1 white knight
f1 white bishop
g1 white rook
h1 white queen
8
77
66
55
44
33
22
11
abcdefgh
Racing Kings: first king to 8th rank wins.
  • Portal Chess: Any of a number of games that involve pieces or squares for teleportation around the board(s).
  • Racing Kings: Players race kings to the 8th rank. Captures, but no checks or checkmate. "... one of the more inspired creations of Vernon Parton".[38]
  • Refusal chess (or Outlaw chess, Rejection chess):[39] A played move can be refused by the opponent, forcing the first player to change to another move, which must be accepted. The only exception is when only one legal move is possible.
  • Replacement chess:[40] Captured pieces are not removed from the board but relocated by the capturer to any vacant square.
  • Rifle chess (or Shooting chess, Sniper chess):[41] When capturing, the capturing piece remains unmoved on its original square, instead of occupying the square of the piece captured.
  • Three-check chess: Standard rules of chess apply,[42] but a player can win by putting their opponent in check three times.[43][44][45] In The Encyclopedia of Chess Variants, David Pritchard notes it being of probable Soviet origin, and that Anatoly Karpov was an "invincible" player in his youth.[43][46]
Multimove variants

In these variants one or both players can move more than once per turn. The board and the pieces in these variants are the same as in standard chess.

  • Avalanche chess: Each move consists of a standard chess move followed by a move of one of the opponent's pawns.
  • Doublemove Chess:[47] Similar to Marseillais chess, but with no en passant, check or checkmate. The object is to capture the king. By Fred Galvin (1957).
  • Double-Take Chess:[48] Each player, once per game, can make two moves during one of their turns. These two moves cannot be used to place the opponent's king in checkmate.
  • Kung-Fu chess: A variant without turns. Any player can move any of his pieces at any given moment.
  • Marseillais chess (or Two-move chess): After the first turn of the game by White being a single move, each player moves twice per turn.
  • Monster chess (or Super King): White has the king and four pawns against the entire black army but may make two successive moves per turn.
  • Multimove Chess (i,j): A class of chess variants where white gets i moves per turn and black gets j moves per turn. Check is not enforced, and victory is by capturing the enemy king. The games are described and analysed logically in a 2015 journal article. The authors weakly solved the game for all (i,j) pairs except for (1,1) (functionally, regular chess) and (2,2).[49]
  • Progressive chess (or Scottish chess): White moves once, then Black moves twice, then White moves three times, and so on.
  • Swarm chess: During each turn, each piece that a player can move they must move.[50]
Incomplete information or elements of chance

In contrast to classical chess, these are not games of perfect information; luck or chance events are added as an element, such as in poker or backgammon.

  • ChessHeads:[51][52] Played with cards that change the game rules.
  • Dark chess: The player sees only squares of the board that are attacked by their pieces.
  • Dice chess: The pieces a player is able to move are determined by rolling a pair of dice.
  • Fantasy Chess:[53] Chess with wargaming added. Players fight for squares (which can be co-occupied) using dice. Can be expanded to four players; piece capability can improve each game.
  • Knightmare Chess: Played with cards that change the game rules.
  • Kriegspiel: Neither player knows where the opponent's pieces are but can deduce them with information from a referee.
  • No Stress Chess:[54] Marketed for teaching beginners, the piece(s) a player is able to move are determined by drawing from a deck of cards, with each card providing the rules for how the piece may move. Neither castling nor en passant is allowed.
  • Penultima: An inductive variant where the players must deduce hidden rules invented by "Spectators".
  • Schrödinger's chess:[55] Players' minor pieces are concealed so the opponent does not know what they are until revealed. When covered, pieces move in a restricted way (as queens that can only move two squares).
  • Synchronous chess:[56] Players try to outguess each other, moving simultaneously after privately recording intended moves and anticipated results. Incompatible moves, for instance to the same square with no anticipated capture, are replayed. Alternatively, two pieces moving to the same square are both captured, unless one is the king, in which case it captures the other. Play ends with capture of king.
  • Viennese Chess:[57] A barrier or screen between the two halves of the chessboard, two players then place their pieces on their half of the board. The barrier is then lifted and the game is then played as in orthodox chess.

Unorthodox rules on an unorthodox board

Chad by Christian Freeling
Jesön Mor starting position
  • Alice Chess: Played with two boards: a piece moved on one board passes "through the looking glass" onto the other board. By V. R. Parton (1953).
  • Apocalypse: On a 5×5 board, each side has two knights and five pawns, win by eliminating all enemy pawns. Prepared moves are executed simultaneously. By C. S. Elliott (1976).
  • Chad: Kings are limited to 3×3 "castles" on a 12×12 board dominated by eight rooks per side which can promote to queens. By Christian Freeling (1979).
  • Chessence: Nine men per player move according to their relative positions to each other on a 6×9 board with missing squares and kings immobile in the corners. By Jim Winslow (1989).
  • Colour Chess: Played on a multicoloured board of six colours, with the order of turns taken as in Marseillais chess but with rules indicating which colour each piece may move to. The game is won by capturing the opponent's king (rather than checkmate) and kings may remain in check. Similar variants include Sequence Colour Chess, and Swarm Colour Chess.[58][59] By Tom Norfolk (2017).[60]
  • Congo: Kings (lions) are limited to 3×3 "castles" on a 7×7 board. By Demian Freeling (1982).
  • Diplomat chess: Played on a circular board with 43 cells, including the centre circle which is considered orthogonal and diagonal to every adjacent cell. Includes a 'diplomat' piece which instead of capturing can suborn enemy pieces.[61]
  • Dragonfly: Played on a 7×7 or hex board, no queens, captured non-pawn pieces never die (ala Chessgi) and can be dropped on any open square. By Christian Freeling.
  • Jesön Mor: Nine knights per side on a 9×9 board. The first to occupy square e5, and then leave it, wins the game. From Mongolia.
  • Parallel Worlds Chess: A 3D variant using three boards, each player commands two armies, capturing either enemy king wins. The middle board is a sort of "twilight zone" obeying its own rules. By R. Wayne Schmittberger (1980s).
  • Rollerball: Inspired by the sci-fi film of the same name, pieces move clockwise around a Roller Derby-like track. By Jean-Louis Cazaux (1998).
  • Sovereign Chess:[62] This variant is played on a 16×16 board. In addition to the standard black and white pieces, the board is also encircled by 80 other coloured pieces (10 colours of 8 pieces each). Coloured squares near the center of the board correspond to the coloured pieces around the board, and when a player's piece occupies a coloured square, that player gains control of the matching coloured pieces. If a piece on a coloured square is moved or captured, control of the matching pieces is lost (transferred to the other player in case of capture). Players may also switch the color of their initial army through "regime change". By Mark Bates.
  • Troy: A variant inspired by the Trojan War played on a 91-cell hexagonal board. Pieces are named after characters from the myth.[63]
  • Zonal chess:[64] Board has triangular wings or "zones" on either side of the main 8×8 board. Queens, bishops and rooks that start from one of the squares in either zone may change direction and keep going on the same move. A queen, for example, could zig around an obstruction and attack a piece in the opposite zone. The power to change direction only applies when a piece's move starts from a zonal area. It is possible (using the queen and rook) to cross the board from one zone to another, but any piece entering a zone cannot make use of the extended move.

Unorthodox rules using nontraditional pieces

Nontraditional (fairy) pieces on a standard 8×8 board

Most of the pieces in these variants are borrowed from chess. The game goal and rules are also very similar to those in chess; however, these variants include one or more fairy pieces which move differently from chess pieces.

abcdefgh
8
a8 black rook
b8 black knight
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
e7 black pawn
f7 black pawn
g7 black pawn
h7 black pawn
e6 white upside-down king
e3 black upside-down king
a2 white pawn
b2 white pawn
c2 white pawn
d2 white pawn
e2 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
f1 white bishop
g1 white knight
h1 white rook
8
77
66
55
44
33
22
11
abcdefgh
Anti-king chess. The anti-king is shown as an inverted king.
  • Anti-King chess: Features an anti-king. This piece is in check when not attacked. If a player's anti-king is in check and unable to move to a square attacked by the opponent, the player loses (checkmate). The anti-king cannot capture enemy men, but can capture friendly men. A king may not attack the opponent's anti-king. The anti-king may not check its own king. Other rules the same as in standard chess, including check and checkmate to the regular king. By Peter Aronson (2002).[65][66]
  • Baroque (or Ultima): Pieces on the first row move like queens, and pieces on the second row move like rooks. They are named after their unusual capturing methods. For example, leaper, immobilizer and coordinator.
  • Berolina chess: Which uses the Berolina pawn instead of the normal pawn, all other things being equal.
  • Chess with different armies: Two sides use different sets of fairy pieces. There are several armies of approximately equal strength to choose from including the standard FIDE chess army.
  • Duell: Dice are used instead of pieces.
  • Falcon-Hunter Chess: A falcon moves forward as a bishop; backward as a rook. The hunter moves forward as a rook; backward as a bishop. Players introduce the fairies as the game progresses. By Karl Schulz (1943).
  • Grasshopper chess: The pawns can promote to grasshopper, or grasshoppers are on the board in the initial position.
  • Pocket Mutation Chess: Player can put a piece temporarily into the pocket, optionally mutating it into another (including fairy) piece.
  • Spartan chess:[67] Black (the Spartans) has an army headed by two kings, which otherwise consists exclusively of unorthodox pieces, and battles the standard FIDE army (the Persians) of white.
  • Way of the Knight: Invented by Ralph Betza, incorporating two elements from tabletop role-playing games. Begins with the standard starting position and pieces, however through capturing and advancing up the board pieces can earn "experience", and a sufficiently experienced piece is upgraded to a more powerful one. Upgrades include various fairy pieces, and involve player choices of "alignment".[68][69]
Empress and/or princess pieces

There are a number of variants which use the empress (rook + knight) and princess (bishop + knight) compound pieces. The empress is also named marshall, chancellor, etc.[70] The princess is also called cardinal, archbishop, janus, paladin, etc.[71] Another compound piece is the amazon (queen + knight). To adapt to the new pieces, the board is usually extended to 10×8 or 10×10 with additional pawns added.[72]

  • Almost Chess: Uses an 8×8 board, with the conventional starting position, but queens are replaced by chancellors (empresses). By Ralph Betza (1977). A related variant is Sort of Almost Chess (Ralph Betza, 1994), where one player has a queen and the other has a chancellor.
Grand Chess by Christian Freeling
  • Capablanca Chess: A variant by the former world chess champion, José Raúl Capablanca. Played on a 10×8 board with chancellor (empress) and archbishop (princess).
  • Capablanca Random Chess: Generalises all possible variants of Capablanca Chess with random starting positions following a method similar to that used in Chess960. By Reinhard Scharnagl (2004).
  • Chigorin Chess: Similar to Sort of Almost Chess, but White's minor pieces are all knights and Black's are all bishops. By Ralph Betza (2002).
  • Embassy Chess: Uses a 10×8 board with marshall (empress) and cardinal (princess). The starting position is borrowed from Grand Chess. By Kevin Hill (2005).
  • Gothic chess: A commercial variant played on a 10×8 board with chancellor (empress) and archbishop (princess).
  • Grand Chess: Uses a 10×10 board with marshall (empress) and cardinal (princess). Invented by Christian Freeling (1984).
  • Janus Chess: Uses a 10×8 board with two januses (princesses). By Werner Schöndorf (1978).
  • Maharajah and the Sepoys: Black has a complete army, White only one piece: the maharajah (amazon).
  • Modern Chess: Played on a 9×9 board, with an extra pawn and a prime minister (princess). By Gabriel Vicente Maura (1968).
  • Seirawan chess: A commercial variant. Uses a standard 8×8 board with elephant (empress) and hawk (princess).[73] By GM Yasser Seirawan and Bruce Harper (2007).
Other unorthodox pieces

The pieces in these variants are borrowed from both chess and another game. The game goal and rules are either the same or very similar to those in chess. However, these variants include one or more fairy pieces which move differently from chess pieces.

  • Chessers:[74] Played on a regular chessboard but with checkers integrated with standard chess pieces. By Christopher Schwartz and Sander Beckers.
  • Playing cards on a chessboard:[75] A card game allowing open play on a board with rectangular sectors, just as in chess or checkers, but with the application of playing cards.
  • Prince & Princess:[76] The chess variant that uses the criterion of succession, where the king or queen are replaced in favor of the prince or the princess, created by Antonio Maravi Oyague.
  • Proteus:[77] A chess variant using dice to represent normal chess pieces, created by Steve Jackson Games.

Unorthodox pieces using unorthodox boards

  • Bomberman chess:[78] Inspired by the Bomberman video game series. Played on a 10×8 board with special bomb and defuser pieces. The bomb can be exploded on its turn in vertical and horizontal directions (similar to the movement of a rook), destroying any pieces in the blast range. The defuser can capture a bomb.
  • Chesquerque: Played on four Alquerque boards combined. Includes an extra pawn and archbishop per side. By George Dekle Sr.
  • Chess on an Infinite plane:[79] One type of infinite chess. Seventy-six pieces are played on an unbounded chessboard. The game uses orthodox chess pieces, plus guards, hawks, and chancellors. The absence of borders makes pieces effectively less powerful (as the king and other pieces cannot be trapped in corners), so the added material helps compensate for this.[72] Despite the infinite playing area, mathematical investigations have shown that in a general endgame, one player can force a win in a finite number of moves.[80] There is also a sub-variant which uses the huygens, possibly making the game mathematically undecidable.[81]
  • Chess on a Really Big Board: Played on a 16×16 board, with twelve piece types (six being the orthodox chess pieces). Has many subvariants, including a larger 24×24 version and a three-dimensional 16×16×16 version.[82]
  • Gess: Chess with variable pieces, played on a Go board.
  • Omega chess: On a 10×10 board with four extra squares, one per corner. Includes the champion and wizard fairy pieces. Both are leapers, with different ways of leaping.
  • Raumschach: Called "the classic 3D game" (Pritchard). Played on a 5×5×5 board, including a new piece (the unicorn) for moving through cube vertices.
  • Shako:[83] Played on a 10×10 board. New pieces are the cannon from xiangqi (Chinese chess) and an elephant moving as a fers+alfil of old shatranj (ancestors of queen and bishop), so diagonally one or two squares with jumps allowed. By Jean Louis-Cazaux (1997).
  • Stealth chess: Played in the fictional Ankh-Morpork Assassins' Guild from the Discworld series of books; played on an 8×10 board. The fairy piece is the Assassin.
  • Stratomic: Adds nuclear missiles to the standard chess array on a 10×10 board. When launched they irradiate any 3×3 area (friendly pieces included) except kings. By Robert Montay-Marsais (1972).
  • Triangular Chess: Board comprises 96 triangles. The rook and bishop have three directions; the queen, six. Three extra pawns and a unicorn. By George Dekle Sr.
  • Tri-Chess: A variation of Triangular Chess. The rook and bishop are increased to six directions; the queen, to twelve. By George Dekle Sr.
  • 2000 A.D.: Played on a 10×10 board, features the empress, capricorn, gorgon, chimaera, dragon, mimotaur, unicorn, and fury fairy chess pieces. By V. R. Parton.
  • Wildebeest Chess: Uses an 11×10 board, each player has two camels and a wildebeest (camel + knight). Pawns move one, two, or three squares initially. By R. Wayne Schmittberger (1987).
  • Wolf Chess: On an 8×10 board, with fairy pieces wolf (empress), fox (princess), nightrider, sergeant (almost a Berolina pawn), and elephant (amazon). By Arno von Wilpert (1943).
Ea5 black rookEb5 black knightEc5 black kingEd5 black knightEe5 black rook
Ea4 black pawnEb4 black pawnEc4 black pawnEd4 black pawnEe4 black pawn
Ea3Eb3Ec3Ed3Ee3
Ea2Eb2Ec2Ed2Ee2
Ea1Eb1Ec1Ed1Ee1
E
Da5 N dDb5 black bishopDc5 black queenDd5 N dDe5 black bishop
Da4 black pawnDb4 black pawnDc4 black pawnDd4 black pawnDe4 black pawn
Da3Db3Dc3Dd3De3
Da2Db2Dc2Dd2De2
Da1Db1Dc1Dd1De1
D
Ca5Cb5Cc5Cd5Ce5
Ca4Cb4Cc4Cd4Ce4
Ca3Cb3Cc3Cd3Ce3
Ca2Cb2Cc2Cd2Ce2
Ca1Cb1Cc1Cd1Ce1
C
Ba5Bb5Bc5Bd5Be5
Ba4Bb4Bc4Bd4Be4
Ba3Bb3Bc3Bd3Be3
Ba2 white pawnBb2 white pawnBc2 white pawnBd2 white pawnBe2 white pawn
Ba1 white bishopBb1 N lBc1 white queenBd1 white bishopBe1 N l
B
Aa5Ab5Ac5Ad5Ae5
Aa4Ab4Ac4Ad4Ae4
Aa3Ab3Ac3Ad3Ae3
Aa2 white pawnAb2 white pawnAc2 white pawnAd2 white pawnAe2 white pawn
Aa1 white rookAb1 white knightAc1 white kingAd1 white knightAe1 white rook
A
Raumschach starting position. Inverted knights represent unicorns.
abcdefghij
10a10 black upside-down rookb10c10d10e10f10g10h10i10j10 black upside-down rook10
9a9 black upside-down bishopb9 black rookc9 black knightd9 black bishope9 black queenf9 black kingg9 black bishoph9 black knighti9 black rookj9 black upside-down bishop9
8a8 black pawnb8 black pawnc8 black pawnd8 black pawne8 black pawnf8 black pawng8 black pawnh8 black pawni8 black pawnj8 black pawn8
7a7b7c7d7e7f7g7h7i7j77
6a6b6c6d6e6f6g6h6i6j66
5a5b5c5d5e5f5g5h5i5j55
4a4b4c4d4e4f4g4h4i4j44
3a3 white pawnb3 white pawnc3 white pawnd3 white pawne3 white pawnf3 white pawng3 white pawnh3 white pawni3 white pawnj3 white pawn3
2a2 white upside-down bishopb2 white rookc2 white knightd2 white bishope2 white queenf2 white kingg2 white bishoph2 white knighti2 white rookj2 white upside-down bishop2
1a1 white upside-down rookb1c1d1e1f1g1h1i1j1 white upside-down rook1
abcdefghij
Shako starting position. Cannons (shown as inverted rooks) are on a1, j1, a10, and j10. Elephants are on a2, j2, a9, and j9.

Three-dimensional variants

Parallel Worlds Chess, a 3D variant

A number of variants have been developed where the playing area is in three dimensions.

Single-player variants

a4 white knightb4c4 black bishopd4 white rook
a3 white kingb3 black kingc3 white rookd3 black rook
a2 black knightb2 black knightc2 white queend2 white bishop
a1 black rookb1 white knightc1 black bishopd1 white bishop
Queen's Quadrille. All pieces are placed randomly.
a4 white kingb4 white queenc4 black bishopd4 white rook
a3 black rookb3 black kingc3d3 black rook
a2 white bishopb2 black bishopc2 black queend2 white bishop
a1 white knightb1 white knightc1 black knightd1 black knight
Hippodrome. All pieces are placed randomly, except for the knights.

Similar to solitaire, there are a few chess variants for a single player. Unlike chess puzzles, these variants have a random starting position. Some of these are similar to permutation chess problems, for example the game Queen's Quadrille, which was invented by Karen Robinson in 1998.[84] All chess pieces (except pawns) are randomly placed on a 4×4 board. Then one of the queens is removed and the game is started. Pieces move as usual, however capturing is not allowed. A player can move white and black pieces in any order, without regard for colour. The goal is to move the queen along a predetermined pattern; for example from one corner to the other, or visit all squares on the board only once. The same idea is found in the game Hippodrome, which was invented by Andy Lewicki in 2003.[85] The initial position is obtained by placing four knights on the first row and all other pieces from a chess set (except pawns) on the remaining fields. Then one of the pieces (except knights) is removed and the game is started. The goal is to move all knights to the opposite rank.

In 1998 Robinson also invented a game which Hans Bodlaender named Chess Contradance, as the setup is like a contradance with the two lines facing each other. The pieces are setup as in regular chess, but without pawns. The first and eighth ranks are safe havens, i.e., no piece can be captured on these ranks. The object of the puzzle is to move the pieces such that all pieces move to the opposite back row without ever putting any piece in danger of being captured. Black and White alternate moves.[86]

Variants for more than two people

Bughouse chess, the game in progress
  • Bosworth: A four-player variant played on 6×6 board. It uses a special card system with the pieces for spawning.
  • Bughouse chess (or Exchange chess, Siamese chess, Swap chess, Tandem chess, Transfer Chess): Two teams of two players face each other on two boards. Allies use opposite colours and give captured pieces to their partner. The two-player version of the game, played with only one board, is Crazyhouse.
  • Business chess: Played with two teams using normal chess playing rules but allowing up to five variations of the game. The team may discuss and play alternative moves freely.
  • Djambi: Can be played by four players on a 9×9 board and four sets of special pieces. Pieces can capture or move those of an adversary. Captured pieces are not removed from the board, but turned upside down. There are variants for three or five players (Pentachiavel).
  • Enochian chess: A four-player variant with magical symbolism, associated with the Hermetic Order of the Golden Dawn.
  • Forchess: A four-player variant using the standard board and two sets of standard pieces.
  • Fortress chess: A four-player variant played in Russia in 18th and 19th centuries.
  • Four-player chess (or Four-handed, Four-man, Four-way chess): Can be played by four people and uses a special board and four sets of differently coloured pieces.
  • Quatrochess: A four-player variant, in addition to the standard chess army, each side controls a chancellor, archbishop, mann, wazir, fers, two camels, and two giraffes. By George Dekle Sr.
  • Three-Man Chess: Three chessboard halves fused into one, first to checkmate wins. By George Dekle Sr.
  • Three-player chess: A family of variants specially designed for three players.
  • Tri-Chess: For three players; 150 triangular cells; chancellor (empress) and cardinal (princess) replacing queen. By George Dekle Sr.

Games inspired by chess

These variants are very different from chess and may be classified as abstract strategy board games instead of chess variants.

  • Arimaa: A game inspired by Garry Kasparov's defeat by chess computer Deep Blue. This game is easy for people to understand but difficult for computers to play well. To prove that Arimaa is computer resistant, a $10,000 USD prize is offered for developing a program to defeat the top human Arimaa players.
  • ChessWar:[87] Complex strategy game played with chess pieces and board.
  • Martian chess: Played with Icehouse pieces.
  • Navia Dratp: A cross between shogi and miniature wargaming.
  • The Duke: An abstract strategy game where the board, pieces, and gameplay mechanics have some strong parallels with chess.
  • Flick Chess:[88] No rules chess. Players need to flick pieces to knock down the entire opponent's army. A mobile version was published by Sama Sama Studios.
  • For the Crown:[89] A cross between chess and a deck-building game where pieces must be purchased in-game.
  • Chess Evolved Online:[90] An online chess variant with customizable armies and Collectible Card Game elements.

Some of these games have developed independently while others are ancestors or relatives of modern chess.[91] The popularity of these variants may be limited to their respective places of origin (as is largely the case for shogi), or worldwide (as is the case for xiangqi). The games have their own institutions and traditions.

Historical

Shatranj set, 12th century
a b c d e f g h
8 a8 sy b8 py e8 black king f8 black upside-down bishop g8 black knight h8 black upside-down knight 8
7 a7 ny b7 py e7 black pawn f7 black pawn g7 black pawn h7 black pawn 7
6 a6 ey b6 py 6
5 a5 ky b5 py 5
4 g4 pr h4 kr 4
3 g3 pr h3 er 3
2 a2 pg b2 pg c2 pg d2 pg g2 pr h2 nr 2
1 a1 sg b1 ng c1 eg d1 kg g1 pr h1 sr 1
a b c d e f g h

Regional

Sittuyin, players elect their own starting setups behind the pawns

See also

References

  1. Pritchard (1994), p. 139
  2. Pritchard (2000), p. 8: "Most published ones (but none described here), are, in truth, forgettable."
  3. Pritchard (2000), p. 18.
  4. Pritchard (2007), p. 77.
  5. Upside-down chess by Hans Bodlaender
  6. Muller, H.G. (2015-02-27). "Charge of the Light Brigade". The Chess Variant Pages. Retrieved 2015-04-05.
  7. Pritchard (2007), p. 72.
  8. Whelan, George (2003-03-10). "Peasant Revolt". The Chess Variant Pages. Retrieved 2014-01-21.
  9. Pritchard (2007), p. 76.
  10. http://www.chessvariants.com/unequal.dir/16pawns.html
  11. Weak! by Hans Bodlaender
  12. 1 2 "Infinite Chess, PBS Infinite Series" PBS Infinite Series, with academic citations including "Transfinite game values in infinite chess" (2013)
  13. Jelliss, G. P. (Autumn 1997). "Reshaping the Chessboard". Variant Chess. Vol. 3 no. 25. British Chess Variants Society. pp. 92–93. ISSN 0958-8248.
  14. Pritchard (2007), p. 114.
  15. Pritchard (1994), p. 91: "Hayward drew Capablanca's attention to the game. The Cuban found it 'remarkably interesting' and a match was arranged between him and the Hungarian master Geza Maroczy."
  16. "Doublewide chess". The Chess Variant Pages
  17. Pritchard (2007), p. 226
  18. 1 2 Infinite Chess at The Chess Variant Pages. An infinite chess scheme represented using ASCII characters.
  19. László Polgár (1997). Reform-Chess. Könemann Verlags GmbH. ISBN 3-89508-226-0.
  20. Variant Chess, Vol 8, Issue 61
  21. Polgar Superstar Chess Patent
  22. Pritchard (2007), p. 223
  23. Pritchard (1994), pp. 285–86
  24. "Cannibal Chess and Absorption Chess". The Chess Variant Pages
  25. "Power Absorption Chess". Chess Variants. Computer Web Services.
  26. "Benedict chess".
  27. Pritchard (2007), p. 51.
  28. Einstein chess
  29. "Guard chess".
  30. "Haft Schroedinger Chess".
  31. Pritchard (2007), p. 48.
  32. Jedi Knight chess.
  33. Pritchard (2007), p. 44.
  34. "King of the Hill • Bring your King to the center to win the game. • lichess.org". en.lichess.org. Retrieved 2016-09-03.
  35. Knightmate by Hans Bodlaender
  36. "Pocket Knight" The Chess Variant Pages
  37. Pritchard (2007), p. 52.
  38. Pritchard (2000), p. 41.
  39. Pritchard (2007), p. 61.
  40. "Replacement chess".
  41. "Rifle chess".
  42. "Three-check • Check your opponent 3 times to win the game". Lichess.Org. Lichness.org. Retrieved 30 July 2018.
  43. 1 2 Pritchard (1994), p. 304.
  44. "Chess Variants | 5 Amazing Examples". Chess.com. Retrieved 2018-07-19.
  45. "Teaching Chess the Easy and Fun Way with Mini-Games - UIL" (PDF). Teaching Chess the Easy and Fun Way with Mini-Games. Teaching Chess the Easy and Fun Way with Mini-Games. Retrieved 30 July 2018.
  46. Pritchard (2007), p. 83.
  47. "Doublemove chess".
  48. Double-Take Chess by Joel Marler
  49. Berger, Emily Rita; Dubbs, Alexander (2015). "Winning Strategies in Multimove Chess (i, j)". Journal of Information Processing. 23 (3): 272–275. doi:10.2197/ipsjjip.23.272.
  50. "Chess: Swarm Variation".
  51. ChessHeads chessmate.com
  52. ChessHeads BoardGameGeek
  53. Fantasy Chess
  54. "No Stress Chess".
  55. "Schrödinger's chess".
  56. Pritchard (2007), p. 100.
  57. Viennese Chess
  58. "Colour Chess - How to Play".
  59. "Colour Chess".
  60. "Colour Chess + Lure".
  61. "Diplomat Chess". The Chess Variant Pages
  62. Bates, Mark (25 March 2013). "Sovereign Chess". The Chess Variant Pages. Retrieved 19 April 2016.
  63. Pritchard (2007), p. 206
  64. "Zonal Chess" by Larry Smith, The Chess Variant Pages
  65. Anti-King chess by Peter Aronson.
  66. Two setups were suggested by the inventor initially, but only the second one (Anti-King II), which is very close to standard chess gained popularity.
  67. by Steven Streetman.
  68. "Way of the Knight". www.chessvariants.com. Retrieved 2018-08-03.
  69. Trenholme, Sam. "A Sample game of Way of the Knight". www.chessvariants.com. Retrieved 2018-08-03.
  70. The Piececlopedia: The Rook-Knight Compound by Fergus Duniho and David Howe.
  71. The Piececlopedia: Bishop-Knight Compound by Fergus Duniho and David Howe.
  72. 1 2 "Comparison of Material Power in Variant Chess Games"
  73. Seirawan Chess
  74. Chessers
  75. "Playing card games on a chess board"
  76. , "Succession Chess"
  77. Pritchard (2007), p. 304.
  78. Bomberman chess
  79. Chess on an Infinite Plane game rules
  80. Dan Brumleve, Joel David Hamkins, Philipp Schlicht, The Mate-in-n Problem of Infinite Chess Is Decidable, Lecture Notes in Computer Science, Volume 7318, 2012, pp. 78-88, Springer , available at arXiv.
  81. Chess on an Infinite Plane with Huygens Option game rules
  82. "Chess on a Really Big Board". The Chess Variant Pages
  83. Shako by Hans Bodlaender
  84. Queen's Quadrille
  85. Hippodrome
  86. Chess Contradance
  87. "ChessWar".
  88. "Flick Chess by Sama Sama Studios".
  89. "ForTheCrown".
  90. "Chess Evolved Online".
  91. Murray, H. J. R. (1913). A History of Chess. Benjamin Press (originally published by Oxford University Press). ISBN 0-936317-01-9.

Bibliography

  • Gollon, John (1968). Chess Variations Ancient, Regional, and Modern. Charles E. Tuttle Company Inc. LCCN 06811975.
  • Murray, H. J. R. (1913). A History of Chess (Reissued ed.). Oxford University Press. ISBN 0-19-827403-3.
  • Pritchard, D. B. (1994). The Encyclopedia of Chess Variants. Games & Puzzles Publications. ISBN 0-9524142-0-1.
  • Pritchard, D. B. (2000). Popular Chess Variants. Batsford Chess Books. ISBN 0-7134-8578-7.
  • Pritchard, D. B. (2007). Beasley, John, ed. The Classified Encyclopedia of Chess Variants (PDF). John Beasley. ISBN 978-0-9555168-0-1.

Further reading

  • Murali, A V (2011). Chess Variants & Games for Intellectual Development and Amusement. Leadstart Publishing Pvt. Ltd. ISBN 978-93-8111-574-9.
  • Schmittberger, R. Wayne (1992). New Rules for Classic Games. John Wiley & Sons Inc. ISBN 978-0471536215.

Shogi

  • Leggett, Trevor (2009). Japanese Chess: The Game of Shogi. Tuttle Publishing. ISBN 978-4-8053-1036-6.
  • Teruichi, Aono (2009). Better Moves for Better Shogi. Ishi Press. ISBN 978-4-87187-999-6.

Xiangqi

  • Liu, Alex (2005). How To: Chinese Chess for Beginner. Foreign Languages Press. ISBN 978-7-119-04208-4.
  • Sloan, Sam (2006). Chinese Chess for Beginners. Ishi Press. ISBN 978-0-923891-11-4.

Others

  • Juhnke, Fritz (2009). Beginning Arimaa: Chess Reborn Beyond Computer Comprehension. Flying Camel Publications. ISBN 978-0-9824274-0-8.
  • Schmittberger, R. Wayne (1992). Thai Chess & Cambodian Chess (Makruk & Ouk Chatrang). Wiley.
  • von Zimmerman, Georg, ed. (2006). Bughouse Chess. Books on Demand GmbH. ISBN 3-8334-6811-4.
  • Zorzos, Gregory (2009). Atherma ZATRIKION (Chess): Ancient Greek board game Chess. CreateSpace. ISBN 978-1-4421-2636-7.
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