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| '''Antichess''' (also known as '''Losing chess''', the '''Losing Game''', '''Giveaway chess''', '''Suicide chess''', '''Killer chess''', or '''Take-all chess''') is a ] in which the objective of each player is to lose all of his ], that is, a ] version. |
'''Antichess''' (also known as '''Losing chess''', the '''Losing Game''', '''Giveaway chess''', '''Suicide chess''', '''Killer chess''', or '''Take-all chess''') is a ] in which the objective of each player is to lose all of his ] or be ]d, that is, a ] version. In some variations, a player may also win by ] or by being checkmated. Antichess is one of the most popular of all chess variants.<ref>Pritchard (2007), p. 86</ref> | ||
| The origin of the game is unknown, but believed to significantly pre-date an early version, named '''Take Me''', played in the 1870s. Because of the popularity of Antichess, several variations have spawned. The most widely played variation |
The origin of the game is unknown, but believed to significantly pre-date an early version, named '''Take Me''', played in the 1870s. Because of the popularity of Antichess, several variations have spawned. The most widely played variation is described by ] in ''Popular Chess Variants''. | ||
| {{algebraic notation|pos=toc}} | {{algebraic notation|pos=toc}} | ||
| Line 29: | Line 29: | ||
| ** there is no ] or ]; | ** there is no ] or ]; | ||
| ** there is no ]; | ** there is no ]; | ||
| ** a pawn |
** When a pawn ], it may also promote to a king. | ||
| * ] is a win for the stalemated player. | * ] is a win for the stalemated player. | ||
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| ===Analysis=== | ===Analysis=== | ||
| Because of the forced capture rule, antichess games often involve long sequences of forced captures by one player. This means that a minor mistake can ruin the game. Losing openings include 1.e4, 1.d4, 1.d3, 1.Nf3, 1.Nc3, 1.f4, 1.h4, 1.b4 |
Because of the forced capture rule, antichess games often involve long sequences of forced captures by one player. This means that a minor mistake can ruin the game. Losing openings include 1.e4, 1.d4, 1.d3, 1.Nf3, 1.Nc3, 1.f4, 1.h4, 1.b4 and 1.h3. Some of these openings took months of computer time to solve, but the wins against 1.e4, 1.d4, and 1.d3 consist of a single series of forced captures and can be played from memory by most experienced players. | ||
| 1.'''d4??''' e5 2.dxe5 Qg5 3.Qxd7 Bxd7 4.Bxg5 Kd8 5.Bxd8 a6 6.Bxc7 Ra7 7.Bxb8 b6 8.Bxa7 a5 9.Bxb6 g6 10.Bxa5 Bb4 11.Bxb4 Ne7 12.Bxe7 Rf8 13.Bxf8 h6 14.Bxh6 g5 15.Bxg5 f6 16.Bxf6 Bh3 17.Nxh3 0-1 | |||
| 1.'''d3??''' g5 2.Bxg5 Bg7 3.Bxe7 Bxb2 4.Bxd8 Bxa1 5.Bxc7 Bc3 6.Bxb8 Rxb8 7.Nxc3 d5 8.Nxd5 Nf6 9.Nxf6 Rg8 10.Nxe8 Rxg2 11.Bxg2 f6 12.Bxb7 Rxb7 13.Nxf6 Rb8 14.Nxh7 Rb1 15.Qxb1 Bb7 16.Qxb7 a6 17.Qxa6 0-1 | |||
| 1.'''e4??''' b5 2.Bxb5 Nf6 3.Bxd7 Nxe4 and white loses no matter which capture he chooses: <br /> (a) 4.Bxe8 Qxd2 5.Qxd2 (if 5.Bxf7 Qxc1 6.Qxc1 Nxf2 7.Kxf2 Rg8 etc.) 5...Nxd2 6.Kxd2 Rg8 7.Bxf7 c5 8.Bxg8 g6 9.Bxh7 e5 10.Bxg6 e4 11.Bxe4 Nc6 12.Bxc6 Bb7 13.Bxb7 Rc8 14.Bxc8 a6 15.Bxa6 c4 16.Bxc4 Ba3 17.Nxa3 0-1 <br />(b) Or 4.Bxc8 Nxd2 5.Bxd2 Qxd2 6.Qxd2 Na6 7.Bxa6 Rc8 8.Bxc8 f5 9.Bxf5 Rg8 10.Bxh7 c5 11.Bxg8 e6 12.Bxe6 c4 13.Bxc4 a6 14.Bxa6 g5 15.Qxg5 Kd8 16.Qxd8 Be7 17.Qxe7 0-1 | |||
| ==Variations== | ==Variations== | ||
| ===Variant 2=== | ===Variant 2=== | ||
| Rules the same as the main rules, except: | Rules are the same as the main rules, except: | ||
| * Pawns promote only to queens. | * Pawns promote only to queens. | ||
| * Stalemate is a draw. | * Stalemate is a draw. | ||
| ===Variant 3=== | ===Variant 3=== | ||
| Rules the same as the main rules, except: | Rules are the same as the main rules, except: | ||
| * The king has royal powers, and removing check takes precedence over capturing. | * The king has royal powers, and removing the king from check takes precedence over capturing another piece. | ||
| * A player wins by reducing his |
* A player wins by reducing his pieces to just a king, or by checkmating the opponent. | ||
| * Stalemate is a draw. | * Stalemate is a draw. | ||
| ===Variant 4=== | ===Variant 4=== | ||
| Rules the same as variant 3, except: | Rules are the same as variant 3, except: | ||
| * A player wins by reducing his |
* A player wins by reducing his pieces to just a king, or by getting checkmated. | ||
| ===Variant 5=== | ===Variant 5=== | ||
| Rules the same as the main rules, except: | Rules are the same as the main rules, except: | ||
| * Stalemate is a win for the player with the fewer number of pieces remaining; if both have the same number, it is a draw. The piece types are irrelevant (] rules). | * Stalemate is a win for the player with the fewer number of pieces remaining; if both have the same number, it is a draw. The piece types are irrelevant (] rules). | ||
| ===Losers Chess (ICC)=== | ===Losers Chess (ICC)=== | ||
| Losing chess (Suicide chess) has been a popular chess variant on |
Losing chess (Suicide chess) has been a popular chess variant on many chess servers ever since the early days of the ]. There are two major variants played online, Losers Chess (aka w17) played on ], which actually created the variant because they were unable to implement the free ICSs' Suicide chess rules. The goal in both games is to lose all of one's pieces, although in Losers Chess, a player can also win by getting checkmated. | ||
| ===Mac App Chess=== | |||
| In this version, Suicide Chess and Loser's Chess are different types. | |||
| ===Kamikaze chess=== | ===Kamikaze chess=== | ||
| * A player wins by losing all his pieces, or by checkmating the opponent. | * A player wins by losing all his pieces, or by checkmating the opponent. | ||
| * The king has royal powers, and removing check takes precedence over capturing. | * The king has royal powers, and removing the king from check takes precedence over capturing another piece. | ||
| * Players must lose their king last. Players must not move into check until they have only the king left. | * Players must lose their king last. Players must not move into check until they have only the king left. | ||
| * Pawns promote only to queens. | * Pawns promote only to queens. | ||
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| ==External links== | ==External links== | ||
| {{div col|cols=2}} | |||
| * by ], ''The Chess Variant Pages'' | * by ], ''The Chess Variant Pages'' | ||
| * Stan Goldovski's website | |||
| * by Vladica Andrejić | * by Vladica Andrejić | ||
| * by Fabrice Liardet {{language icon|fr}} | * by Fabrice Liardet {{language icon|fr}} | ||
| * Suicide chess book browser | * Suicide chess book browser | ||
| * by Peter Konyarov | |||
| * a chess database supporting Antichess | * a chess database supporting Antichess | ||
| * Windows Phone Application | |||
| * Simple programs by Ed Friedlander: | |||
| ** Losing Chess | |||
| ** Losing Chess II | |||
| ** Losing Chess III | |||
| ** Losing Chess IV | |||
| {{div col end}} | |||
| {{chess}} | {{chess}} | ||
Revision as of 05:59, 30 January 2014
P. H. TörngrenTidskrift för Schack, 1929
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Antichess (also known as Losing chess, the Losing Game, Giveaway chess, Suicide chess, Killer chess, or Take-all chess) is a chess variant in which the objective of each player is to lose all of his pieces or be stalemated, that is, a misère version. In some variations, a player may also win by checkmating or by being checkmated. Antichess is one of the most popular of all chess variants.
The origin of the game is unknown, but believed to significantly pre-date an early version, named Take Me, played in the 1870s. Because of the popularity of Antichess, several variations have spawned. The most widely played variation is described by David Pritchard in Popular Chess Variants.
This article uses algebraic notation to describe chess moves.Rules (main variant)
The rules are the same as those for standard chess, except for the following special rules:
- Capturing is compulsory.
- When more than one capture is available, the player may choose.
- The king has no royal power and accordingly:
- Stalemate is a win for the stalemated player.
A player wins by losing all his pieces, or being stalemated. Apart from move repetition, draw by agreement, and the fifty-move rule, the game is also drawn when a win is impossible (such as if a dark-squared bishop and a light-squared bishop are the only pieces remaining).
Analysis
Because of the forced capture rule, antichess games often involve long sequences of forced captures by one player. This means that a minor mistake can ruin the game. Losing openings include 1.e4, 1.d4, 1.d3, 1.Nf3, 1.Nc3, 1.f4, 1.h4, 1.b4 and 1.h3. Some of these openings took months of computer time to solve, but the wins against 1.e4, 1.d4, and 1.d3 consist of a single series of forced captures and can be played from memory by most experienced players.
Variations
Variant 2
Rules are the same as the main rules, except:
- Pawns promote only to queens.
- Stalemate is a draw.
Variant 3
Rules are the same as the main rules, except:
- The king has royal powers, and removing the king from check takes precedence over capturing another piece.
- A player wins by reducing his pieces to just a king, or by checkmating the opponent.
- Stalemate is a draw.
Variant 4
Rules are the same as variant 3, except:
- A player wins by reducing his pieces to just a king, or by getting checkmated.
Variant 5
Rules are the same as the main rules, except:
- Stalemate is a win for the player with the fewer number of pieces remaining; if both have the same number, it is a draw. The piece types are irrelevant (FICS rules).
Losers Chess (ICC)
Losing chess (Suicide chess) has been a popular chess variant on many chess servers ever since the early days of the ICS. There are two major variants played online, Losers Chess (aka w17) played on ICC, which actually created the variant because they were unable to implement the free ICSs' Suicide chess rules. The goal in both games is to lose all of one's pieces, although in Losers Chess, a player can also win by getting checkmated.
Kamikaze chess
- A player wins by losing all his pieces, or by checkmating the opponent.
- The king has royal powers, and removing the king from check takes precedence over capturing another piece.
- Players must lose their king last. Players must not move into check until they have only the king left.
- Pawns promote only to queens.
References
Notes
- Pritchard (2007), p. 86
Bibliography
- Pritchard, D. B. (2000). "§7 Losing Chess". Popular Chess Variants. B.T. Batsford Ltd. pp. 32–38. ISBN 0-7134-8578-7.
- Pritchard, D. B. (2007). "§10.9 Playing to lose". The Classified Encyclopedia of Chess Variants. John Beasley. pp. 85–89. ISBN 978-0-9555168-0-1.
- Pritchard, D. B. (1994). "Losing Chess". The Encyclopedia of Chess Variants. Games & Puzzles Publications. pp. 176–79. ISBN 0-9524142-0-1.
External links
- Losing Chess by Hans Bodlaender, The Chess Variant Pages
- Suicide Chess Review by Vladica Andrejić
- Losing Chess by Fabrice Liardet Template:Language icon
- Nilatac's opening book Suicide chess book browser
- Scidb a chess database supporting Antichess
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