Citizendia

This article uses algebraic notation to describe chess moves. Algebraic chess notation is used to record and describe the moves in a game of Chess.
The black king has been checkmated; the game is over.
The black king has been checkmated; the game is over.

Checkmate (frequently shortened to mate) is a situation in chess (and in other boardgames of the chaturanga family) in which one player's king is threatened with capture (in check) and there is no way to meet that threat. Chess is a recreational and competitive Game played between two players. A board game is a Game in which counters or pieces that are placed on removed from or moved across a "board" (a premarked surface usually specific to that game This article is about two-handed ancient game Chaturanga For the four-handed version played with dice see Chaturaji. In Chess, the King (♔ ♚ is the most important piece. The object of the game is to trap the opponent's king so that it would not be able to avoid capture In games such as Chess, Shogi, and Xiangqi, a check is an immediate threat to capture the king (or general in xiangqi Delivering checkmate is the ultimate goal in chess: a player who is checkmated loses the game (the king is never actually captured – the game ends as soon as the king is checkmated). In practice, most players resign an inevitably lost game before being checkmated. This page explains commonly used terms in Chess in alphabetical order

If a king is under attack but the threat can be met, then the king is said to be in check, but is not in checkmate. If a player is not in check but has no legal move (that is, no valid move that would not put the king in check), the result of the game is stalemate, and the game ends in a draw. Stalemate is a situation in Chess where the player whose turn it is to move is not in check but has no legal moves In Chess, a draw is one of the possible outcomes of a game the others being a win for white and a win for black (See Rules of chess. The rules of chess (also known as the laws of chess) are rules governing the play of the game of Chess. )

Contents

Origin of the word

The term checkmate is an alteration or Hobson-Jobson of the Persian phrase "Shah Mat" which means, literally, "the King is ambushed" (or "helpless" or "defeated"). Hobson-Jobson is the short (and better-known title of Hobson-Jobson A Glossary of Colloquial Anglo-Indian Words and Phrases and of Kindred Terms Etymological Historical It does not literally mean "the King is dead", although that is a common misconception. [1]

Moghadam traced the etymology of the word mate. Etymology is the study of the History of Words &mdash when they entered a language from what source and how their form and meaning have changed over time It comes from a Persian word mandan, meaning "to remain", which is cognate with the Latin word manco. It means "remained" in the sense of "abandoned" and the formal translation is "surprised", in the military sense of "ambushed" (not in the sense of "astonished"). So the king is in mate when he is ambushed, at a loss, or abandoned to his fate. (Davidson 1981:70-71)

The term checkmate has come to mean in modern parlance an irrefutable, strategic victory. Checkmate (frequently shortened to mate) is a situation in Chess (and in other Boardgames of the Chaturanga family in which one player's

Examples

Fool's mate
Image:chess zhor 26.png
Image:chess zver 26.pnga8 rdb8 ndc8 bdd8e8 kdf8 bdg8 ndh8 rdImage:chess zver 26.png
a7 pdb7 pdc7 pdd7 pde7f7 pdg7 pdh7 pd
a6b6c6d6e6f6g6h6
a5b5c5d5e5 pdf5g5h5
a4b4c4d4e4f4g4 plh4 qd
a3b3c3d3e3f3 plg3h3
a2 plb2 plc2 pld2 ple2 plf2g2h2 pl
a1 rlb1 nlc1 bld1 qle1 klf1 blg1 nlh1 rl
Image:chess zhor 26.png
White is in checkmate.
Byrne-Fischer, 1956
Image:chess zhor 26.png
Image:chess zver 26.pnga8b8 qlc8d8e8f8g8h8Image:chess zver 26.png
a7b7c7d7e7f7 pdg7 kdh7
a6b6c6 pdd6e6f6g6 pdh6
a5b5 pdc5d5e5 nlf5g5h5 pd
a4b4 bdc4d4e4f4g4h4 pl
a3b3 bdc3 ndd3e3f3g3h3
a2b2c2 rdd2e2f2g2 plh2
a1b1c1 kld1e1f1g1h1
Image:chess zhor 26.png
After 41. . . Rc2, checkmate.
Checkmate with rook.
Image:chess zhor 26.png
Image:chess zver 26.pnga8b8c8d8 kde8f8g8 rlh8Image:chess zver 26.png
a7b7c7d7e7f7g7h7
a6b6c6d6 kle6f6g6h6
a5b5c5d5e5f5g5h5
a4b4c4d4e4f4g4h4
a3b3c3d3e3f3g3h3
a2b2c2d2e2f2g2h2
a1b1c1d1e1f1g1h1
Image:chess zhor 26.png
Black has been checkmated.

A checkmate may occur in only two moves with all of the pieces still on the board (as in Fool's mate, in the opening phase of the game), in a middlegame position (as in the Game of the Century between Donald Byrne and Bobby Fischer), or after many moves with as few as three pieces in an endgame position. Chess pieces vary in both value and abilities A standard chess match consists of each player having the following equipment 1 king A chessboard is the type of Checkerboard used in the Game of Chess, and consists of 64 squares (eight rows and eight columns arranged in two alternating For the Peter Hammill album of the same name see Fool's Mate (album Fool's mate, also known as the "two-move checkmate" In Chess the word " opening " has two common meanings both of which are discussed in this article The middlegame in Chess refers to the portion of the game that happens immediately after the opening (usually the first move after the procession of moves that The Game of the Century usually refers to a Chess game played between Donald Byrne and 13-year old Bobby Fischer in the Rosenwald Memorial Tournament Donald Byrne ( June 12, 1930 – April 8, 1976) was one of the USA 's strongest Chess players during the 1950s and 1960s Robert James "Bobby" Fischer ( March 9 1943 – January 17 2008) was an American -born Chess Grandmaster In Chess, the endgame (or end game or ending) refers to the stage of the game when there are few pieces left on the board

Two major pieces

Image:chess zhor 26.png
Image:chess zver 26.pnga8b8c8d8e8f8g8h8Image:chess zver 26.png
a7b7c7d7e7f7g7h7
a6b6c6d6e6f6g6h6
a5b5c5d5e5 kdf5g5h5
a4b4c4d4e4f4g4h4
a3b3c3d3e3f3g3h3
a2b2c2d2e2f2g2 qlh2
a1b1c1d1e1f1 rlg1h1 kl
Image:chess zhor 26.png
White checkmates easily.
Image:chess zhor 26.png
Image:chess zver 26.pnga8b8c8d8e8f8g8h8Image:chess zver 26.png
a7b7c7d7e7f7g7h7
a6b6c6d6e6f6g6h6
a5b5c5d5e5f5g5h5
a4b4c4d4e4f4g4h4
a3b3c3d3e3f3g3h3
a2b2c2d2e2f2 rlg2h2
a1b1c1d1e1 kdf1g1 qlh1 kl
Image:chess zhor 26.png
Checkmate with queen and rook.
Image:Chess kll44.pngImage:Chess qll44.pngImage:Chess rll44.pngImage:Chess kdl44.png

Two major pieces (queens or rooks) can easily force checkmate on the edge of the board, even without the help of their king. This page explains commonly used terms in Chess in alphabetical order The process is to put the two pieces on adjacent ranks or files and gradually force the king to the side of the board, where one piece keeps the king on the edge of the board while the other delivers checkmate (Pandolfini 1988:18-20). This page explains commonly used terms in Chess in alphabetical order This page explains commonly used terms in Chess in alphabetical order Checkmate (frequently shortened to mate) is a situation in Chess (and in other Boardgames of the Chaturanga family in which one player's

In the first diagram, White checkmates easily by forcing the black king to the edge a rank at the time or a file at the time:

The checkmate with two queens or with two rooks is similar.

Image:chess zhor 22.png
Image:chess zver 22.pnga8b8c8d8e8f8g8h8Image:chess zver 22.png
a7b7c7d7e7f7g7h7
a6b6c6d6e6f6g6 rlh6
a5b5 qlc5d5e5 kdf5g5h5
a4b4c4d4e4f4g4h4
a3b3c3d3e3 klf3g3h3
a2b2c2d2e2f2g2h2
a1b1c1d1e1f1g1h1
Image:chess zhor 22.png
Mid-board checkmate with queen, rook, and king.
Image:chess zhor 22.png
Image:chess zver 22.pnga8b8c8d8e8f8g8h8Image:chess zver 22.png
a7b7c7d7e7f7g7h7
a6b6c6d6e6 qlf6g6h6
a5b5c5d5e5 kdf5g5h5
a4b4c4d4e4f4g4 qlh4
a3b3 klc3d3e3f3g3h3
a2b2c2d2e2f2g2h2
a1b1c1d1e1f1g1h1
Image:chess zhor 22.png
Mid-board checkmate with two queens.
Image:chess zhor 22.png
Image:chess zver 22.pnga8b8c8d8e8f8g8h8Image:chess zver 22.png
a7b7c7d7e7f7g7h7 kl
a6b6c6d6e6 qlf6g6h6
a5b5c5d5 kde5f5g5h5
a4b4c4d4e4f4g4h4
a3b3c3d3e3 qlf3g3h3
a2b2c2d2e2f2g2h2
a1b1c1d1e1f1g1h1
Image:chess zhor 22.png
A second mid-board checkmate with two queens.

Checkmate can be forced in the center of the board with two rooks and a king, or with a queen, rook, and king, while two queens are able to force checkmate in the center without the help of the king.

Basic checkmates

Here are the common fundamental checkmates when one side has only his king and the other side has only the minimum material needed to force checkmate, i. In Chess and related games a bare king is a situation in which one player has only the king left on the board while the fifteen other pieces and pawns have been This page explains commonly used terms in Chess in alphabetical order e. (1) one queen, (2) one rook, (3) two bishops on opposite colors, or (4) a bishop and a knight. The queen (♕♛ is the most powerful piece in the game of Chess. A rook, (♖ ♜ borrowed from Persian رخ rokh, Sanskrit rath, "chariot" also known as a castle is a piece in the A bishop (♗♝ is a piece in the Board game of Chess. Each player begins the game with two bishops The knight (♘ ♞ sometimes referred to by players as a 'horse' is a piece in the Game of Chess, representing a Knight (armoured cavalry The king must help in accomplishing all of these checkmates. If the superior side has more material, checkmates are easier.

The checkmate with the queen is the most important, but it is also very easy to achieve. It often occurs after a pawn has queened. Promotion to various pieces Promotion to a queen is the most common in practical play since the queen is the most powerful piece The next most important one is the checkmate with the rook, and it is also very easy to achieve. The checkmates with the two bishops and with a bishop and knight are not nearly as important, since they only occur infrequently. The two bishop checkmate is fairly easy to accomplish, but the bishop and knight checkmate is difficult and requires precision. Technique Since checkmate can only be forced in the corner of the same colour as the squares on which the bishop moves an opponent who is aware of this will try to stay first in

King and queen

Image:chess zhor 22.png
Image:chess zver 22.pnga8b8c8d8 kde8f8g8h8Image:chess zver 22.png
a7b7c7d7 qle7f7g7h7
a6b6c6d6e6 klf6g6h6
a5b5c5d5e5f5g5h5
a4b4c4d4e4f4g4h4
a3b3c3d3e3f3g3h3
a2b2c2d2e2f2g2h2
a1b1c1d1e1f1g1h1
Image:chess zhor 22.png
Checkmate with the queen.
Image:chess zhor 22.png
Image:chess zver 22.pnga8 qlb8c8d8 kde8f8g8h8Image:chess zver 22.png
a7b7c7d7e7f7g7h7
a6b6c6d6 kle6f6g6h6
a5b5c5d5e5f5g5h5
a4b4c4d4e4f4g4h4
a3b3c3d3e3f3g3h3
a2b2c2d2e2f2g2h2
a1b1c1d1e1f1g1h1
Image:chess zhor 22.png
A second checkmate with the queen.
Image:chess zhor 22.png
Image:chess zver 22.pnga8b8c8 kdd8e8 qlf8g8h8Image:chess zver 22.png
a7b7c7d7e7f7g7h7
a6b6 klc6d6e6f6g6h6
a5b5c5d5e5f5g5h5
a4b4c4d4e4f4g4h4
a3b3c3d3e3f3g3h3
a2b2c2d2e2f2g2h2
a1b1c1d1e1f1g1h1
Image:chess zhor 22.png
A third type of checkmate.
Image:chess zhor 22.png
Image:chess zver 22.pnga8 kdb8c8d8e8f8g8h8 qlImage:chess zver 22.png
a7b7c7d7e7f7g7h7
a6b6 klc6d6e6f6g6h6
a5b5c5d5e5f5g5h5
a4b4c4d4e4f4g4h4
a3b3c3d3e3f3g3h3
a2b2c2d2e2f2g2h2
a1b1c1d1e1f1g1h1
Image:chess zhor 22.png
A fourth type of checkmate.
Image:Chess kll44.pngImage:Chess qll44.pngImage:Chess kdl44.png


The first two diagrams show representatives of the basic checkmate positions with a queen, which can occur on any edge of the board. The queen (♕♛ is the most powerful piece in the game of Chess. Naturally, the exact position can vary from the diagram. In the first of the checkmate positions, the queen is directly in front of the opposing king and the white king is protecting its queen. In the second checkmate position, the kings are in opposition and the queen mates on the rank (or file) of the king. Direct opposition Direct opposition is when the two kings face each other along a rank or file with only one square in between This page explains commonly used terms in Chess in alphabetical order This page explains commonly used terms in Chess in alphabetical order See Wikibooks - Chess/The Endgame for a demonstration of how the king and queen versus king mate is achieved.

Image:chess zhor 26.png
Image:chess zver 26.pnga8b8c8d8e8f8g8h8Image:chess zver 26.png
a7b7c7d7e7f7g7h7
a6b6c6d6e6f6g6h6
a5b5c5d5e5f5g5h5
a4b4c4d4e4 kdf4g4h4
a3b3c3d3e3f3g3h3
a2b2c2d2e2f2g2h2
a1 qlb1 klc1d1e1f1g1h1
Image:chess zhor 26.png
White checkmates easily.

With the side with the queen to move, checkmate can be forced in at most ten moves from any starting position, with optimal play by both sides, but usually fewer moves are required (Fine & Benko 2003:1-2). Checkmate (frequently shortened to mate) is a situation in Chess (and in other Boardgames of the Chaturanga family in which one player's (Müller & Lamprecht 2001:16). Checkmate (frequently shortened to mate) is a situation in Chess (and in other Boardgames of the Chaturanga family in which one player's In positions in which a pawn has just promoted to a queen, at most nine moves are required (Levy & Newborn 1991:144). Promotion to various pieces Promotion to a queen is the most common in practical play since the queen is the most powerful piece Checkmate (frequently shortened to mate) is a situation in Chess (and in other Boardgames of the Chaturanga family in which one player's In this position, White checkmates by confining the black king to a rectangle and shrinking the rectangle to force the king to the edge of the board:

Image:chess zhor 22.png
Image:chess zver 22.pnga8 kdb8c8d8e8f8g8h8Image:chess zver 22.png
a7b7c7 qld7e7f7g7h7
a6b6c6d6e6f6g6h6
a5b5c5d5e5f5g5h5
a4b4c4d4e4f4g4h4
a3b3c3d3e3f3g3h3
a2b2c2d2e2f2g2h2
a1b1c1d1e1f1g1h1
Image:chess zhor 22.png
Stalemate if Black is to move. The white king can be anywhere.
Image:chess zhor 22.png
Image:chess zver 22.pnga8b8c8d8e8f8g8h8Image:chess zver 22.png
a7b7c7 qld7e7f7g7h7
a6 kdb6c6d6e6f6g6h6
a5b5c5 kld5e5f5g5h5
a4b4c4d4e4f4g4h4
a3b3c3d3e3f3g3h3
a2b2c2d2e2f2g2h2
a1b1c1d1e1f1g1h1
Image:chess zhor 22.png
Stalemate if Black is to move.

The winning side must be careful to not stalemate the opposing king. There are two general types of stalemate positions that can occur, which the winning side must avoid (Fine & Benko 2003:2). Stalemate is a situation in Chess where the player whose turn it is to move is not in check but has no legal moves Checkmate (frequently shortened to mate) is a situation in Chess (and in other Boardgames of the Chaturanga family in which one player's

King and rook

Image:chess zhor 22.png
Image:chess zver 22.pnga8b8c8d8 kde8f8g8 rlh8Image:chess zver 22.png
a7b7c7d7e7f7g7h7
a6b6c6d6 kle6f6g6h6
a5b5c5d5e5f5g5h5
a4b4c4d4e4f4g4h4
a3b3c3d3e3f3g3h3
a2b2c2d2e2f2g2h2
a1b1c1d1e1f1g1h1
Image:chess zhor 22.png
Checkmate with the rook
Image:chess zhor 22.png
Image:chess zver 22.pnga8 kdb8c8d8e8f8g8h8Image:chess zver 22.png
a7b7c7 kld7e7f7g7h7
a6 rlb6c6d6e6f6g6h6
a5b5c5d5e5f5g5h5
a4b4c4d4e4f4g4h4
a3b3c3d3e3f3g3h3
a2b2c2d2e2f2g2h2
a1b1c1d1e1f1g1h1
Image:chess zhor 22.png
A second checkmate with the rook
Image:Chess kll44.pngImage:Chess rll44.pngImage:Chess kdl44.png

The first diagram shows the basic checkmate position with a rook, which can occur on any edge of the board. A rook, (♖ ♜ borrowed from Persian رخ rokh, Sanskrit rath, "chariot" also known as a castle is a piece in the The black king can be on any square on the edge of the board, the white king is in opposition to it, and the rook can check from any square on the rank or file (assuming that it can not be captured). The second diagram shows a slightly different position where the kings are not in opposition but the defending king must be in a corner.

With white to move, checkmate can be forced in at most sixteen moves from any starting position (Fine & Benko 2003:2). Checkmate (frequently shortened to mate) is a situation in Chess (and in other Boardgames of the Chaturanga family in which one player's Again, see Wikibooks - Chess/The Endgame for a demonstration of how the king and rook versus king mate is achieved.

Image:chess zhor 26.png
Image:chess zver 26.pnga8b8c8d8e8f8g8h8Image:chess zver 26.png
a7b7c7d7e7f7g7h7
a6b6c6d6e6f6g6h6
a5b5c5d5e5 kdf5g5h5
a4b4c4d4e4f4g4h4
a3b3c3d3e3f3g3h3
a2b2c2d2e2 klf2g2h2
a1b1c1d1e1 rlf1g1h1
Image:chess zhor 26.png
White checkmates by boxing in the black king.

In this position, White checkmates by confining the black king to a rectangle and shrinking the rectangle to force the king to the edge of the board:

There are two stalemate positions to watch out for: (Fine & Benko 2003:2-3):

Image:chess zhor 22.png
Image:chess zver 22.pnga8 kdb8c8d8e8f8g8h8Image:chess zver 22.png
a7b7 rlc7d7e7f7g7h7
a6b6c6 kld6e6f6g6h6
a5b5c5d5e5f5g5h5
a4b4c4d4e4f4g4h4
a3b3c3d3e3f3g3h3
a2b2c2d2e2f2g2h2
a1b1c1d1e1f1g1h1
Image:chess zhor 22.png
Stalemate if Black is to move
Image:chess zhor 22.png
Image:chess zver 22.pnga8 kdb8c8 kld8e8f8g8h8Image:chess zver 22.png
a7b7c7d7e7f7g7h7 rl
a6b6c6d6e6f6g6h6
a5b5c5d5e5f5g5h5
a4b4c4d4e4f4g4h4
a3b3c3d3e3f3g3h3
a2b2c2d2e2f2g2h2
a1b1c1d1e1f1g1h1
Image:chess zhor 22.png
Stalemate if Black is to move

King and two bishops

Image:Chess kll44.pngImage:Chess bll44.pngImage:Chess bld44.pngImage:Chess kdl44.png
Image:chess zhor 22.png
Image:chess zver 22.pnga8 kdb8c8d8e8f8g8h8Image:chess zver 22.png
a7b7c7 bld7e7f7g7h7
a6b6 klc6 bld6e6f6g6h6
a5b5c5d5e5f5g5h5
a4b4c4d4e4f4g4h4
a3b3c3d3e3f3g3h3
a2b2c2d2e2f2g2h2
a1b1c1d1e1f1g1h1
Image:chess zhor 22.png
Checkmate with two bishops

Here are the two basic checkmate positions with two bishops (on opposite colors), which can occur in any corner. Checkmate (frequently shortened to mate) is a situation in Chess (and in other Boardgames of the Chaturanga family in which one player's Checkmate (frequently shortened to mate) is a situation in Chess (and in other Boardgames of the Chaturanga family in which one player's A bishop (♗♝ is a piece in the Board game of Chess. Each player begins the game with two bishops (Two bishops or more on the same color cannot checkmate. ) The first is a checkmate in the corner. The second one is a checkmate in a side square next to the corner square. With the side with the bishops to move, checkmate can be forced in at most nineteen moves (Müller & Lamprecht 2001:17). Checkmate (frequently shortened to mate) is a situation in Chess (and in other Boardgames of the Chaturanga family in which one player's

Image:chess zhor 22.png
Image:chess zver 22.pnga8b8c8d8e8f8g8h8Image:chess zver 22.png
a7 kdb7 blc7 kld7e7f7g7h7
a6b6c6d6e6f6g6h6
a5b5c5 bld5e5f5g5h5
a4b4c4d4e4f4g4h4
a3b3c3d3e3f3g3h3
a2b2c2d2e2f2g2h2
a1b1c1d1e1f1g1h1
Image:chess zhor 22.png
A second checkmate with two bishops

It is not too difficult for two bishops to force checkmate, with the aid of their king. Two principles apply:

Image:chess zhor 22.png
Image:chess zver 22.pnga8b8c8d8e8f8g8h8Image:chess zver 22.png
a7b7c7d7e7f7g7h7
a6b6c6d6e6f6g6h6
a5b5c5d5e5f5g5h5
a4b4c4d4 kde4f4g4h4
a3b3c3d3e3f3g3h3
a2b2c2d2e2f2g2h2
a1b1c1 bld1 kle1f1 blg1h1
Image:chess zhor 22.png
Two bishops (and king) can force checkmate. From Seirawan.

In the position from Seirawan, White wins by first forcing the black king to the side of the board, then to a corner, and then checkmates. It can be any side of the board and any corner. The process is:

Note that this is not the shortest forced checkmate from this position. Müller and Lamprecht give a fifteen move solution, however it contains an inaccurate move by Black (according to endgame tablebases) (Müller & Lamprecht 2001:17). An endgame tablebase is a computerized Database of all Chess positions within certain endgames The tablebase reveals the game-theoretical value Checkmate (frequently shortened to mate) is a situation in Chess (and in other Boardgames of the Chaturanga family in which one player's With optimal play by both sides, checkmate in this position requires seventeen moves. The longer variation is more instructive.

King, bishop and knight

Image:Chess kll44.pngImage:Chess bll44.pngImage:Chess nll44.pngImage:Chess kdl44.png
Image:chess zhor 22.png
Image:chess zver 22.pnga8 kdb8c8d8e8f8g8h8Image:chess zver 22.png
a7b7c7d7e7f7g7h7
a6 nlb6 klc6d6e6f6g6h6
a5b5c5d5e5f5g5h5
a4b4c4d4e4 blf4g4h4
a3b3c3d3e3f3g3h3
a2b2c2d2e2f2g2h2
a1b1c1d1e1f1g1h1
Image:chess zhor 22.png
A checkmate with a bishop and knight
Image:chess zhor 22.png
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A second checkmate with a bishop and knight

This checkmate is the most difficult to force, because these two pieces cannot form a linear barrier to the enemy king from a distance. Technique Since checkmate can only be forced in the corner of the same colour as the squares on which the bishop moves an opponent who is aware of this will try to stay first in Also, the checkmate can be forced only in a corner that the bishop controls.

Here are the two basic checkmate positions with a bishop and a knight, or the bishop and knight checkmate. A bishop (♗♝ is a piece in the Board game of Chess. Each player begins the game with two bishops The knight (♘ ♞ sometimes referred to by players as a 'horse' is a piece in the Game of Chess, representing a Knight (armoured cavalry Technique Since checkmate can only be forced in the corner of the same colour as the squares on which the bishop moves an opponent who is aware of this will try to stay first in The first position is a checkmate by the bishop, with the king in the corner. The second position is a checkmate by the knight, with the king in a side square next to the corner. Alternatively, the knight can be on c6 or d7 in the second position.

With White to move, checkmate can be forced in at most thirty-three moves from any starting position (Müller & Lamprecht 2001:19), except those in which the black king is initially forking the bishop and knight and it is not possible to defend both. Checkmate (frequently shortened to mate) is a situation in Chess (and in other Boardgames of the Chaturanga family in which one player's In Chess, a fork is a tactic that uses one piece to attack two or more of the opponent's pieces at the same time hoping to achieve material gain (by capturing However, the mating process requires accurate play, since a few errors could result in a draw either by the fifty move rule or stalemate. Technique Since checkmate can only be forced in the corner of the same colour as the squares on which the bishop moves an opponent who is aware of this will try to stay first in The fifty move rule in Chess states that a player can claim a draw if no capture has been made and no pawn has been moved in the last fifty consecutive Stalemate is a situation in Chess where the player whose turn it is to move is not in check but has no legal moves

The case of two or more knights

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Main article: Two knights endgame
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Two knights and their king cannot force a checkmate, although there are checkmate positions such as this one. Two knights can not force checkmate Troitzky line Examples This diagram shows an example of how having the pawn makes things worse for Black (here
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Two knights cannot force checkmate if Black plays 1. . . Kc8.
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Two knights cannot force checkmate.


It is impossible to force checkmate with a king and two knights, although checkmate positions are possible (see the first diagram). In the second diagram, if Black plays 1. . . Ka8? White can checkmate with 2. Nbc7#, but Black can play 1. . . Kc8 and escape the threat. The defender's task is easy — he simply has to avoid moving into a position in which he can be checkmated on the next move, and he always has another move available in such situations (Speelman, Tisdall & Wade 1993:11). Checkmate (frequently shortened to mate) is a situation in Chess (and in other Boardgames of the Chaturanga family in which one player's

In the third diagram, White can play 1. Nc6+ Ka8, but now if White plays 2. Nb5 threatening 3. Nc7#, Black is stalemated. Stalemate is a situation in Chess where the player whose turn it is to move is not in check but has no legal moves It is sometimes possible to force checkmate with two knights against a pawn, because in some positions, having a pawn removes this stalemate defence.

Three knights and a king can force checkmate against a lone king. Four knights can force checkmate against a lone king even without their own king's participation. These situations are generally only seen in chess problems, since one or more of the knights must be a promoted piece, and there is very rarely a reason (e. A chess problem, also called a chess composition, is a puzzle set by somebody using Chess pieces on a Chess board that presents the solver with Promotion to various pieces Promotion to a queen is the most common in practical play since the queen is the most powerful piece g. , avoidance of stalemate) to promote a pawn to anything other than a queen (see underpromotion). Promotion to various pieces Promotion to a queen is the most common in practical play since the queen is the most powerful piece

Under some circumstances, two knights and a king can force checkmate against a king and pawn (or rarely more pawns). The winning plan, quite difficult to execute in practice, is to blockade the enemy pawn(s) with one of the knights, maneuver the enemy king into a stalemated position, then bring the other knight over to checkmate. (See Two knights endgame. Two knights can not force checkmate Troitzky line Examples This diagram shows an example of how having the pawn makes things worse for Black (here )

Rare checkmate positions

In some rare positions it is possible to force checkmate with a king and bishop versus a king and pawn or a king and knight versus a king and pawn.

Stamma's mate

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White wins by Stamma's mate, with or without the move

In the diagram showing Stamma's mate (named for Philipp Stamma), White to move wins (Emms 2004:122):

White also wins if Black is to move first:

Nogueiras-Gongora, 2001
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White to move wins.

This checkmate has occurred in actual games, see the game Nogueiras-Gongora [1] from the 2001 Cuban Championship, which proceeded


Unusual checkmate positions

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Checkmate, but it cannot be forced
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Checkmate, but it cannot be forced

There are also positions in which a king and knight or bishop can checkmate a king and bishop, but checkmate cannot be forced (see the diagrams for some examples). Checkmate (frequently shortened to mate) is a situation in Chess (and in other Boardgames of the Chaturanga family in which one player's Nevertheless, it keeps these material combinations from being ruled a draw because of "insufficient mating material" or "impossibility of checkmate". This page explains commonly used terms in Chess in alphabetical order In Chess, a draw is one of the possible outcomes of a game the others being a win for white and a win for black

Quick checkmates

Some common or notable mating patterns have names of their own. Apart from the aforementioned fool's mate, these include scholar's mate, smothered mate, the back rank mate, Boden's mate, epaulette mate, and Légal's mate (see below). For the Peter Hammill album of the same name see Fool's Mate (album Fool's mate, also known as the "two-move checkmate" In Chess, scholar's mate is the Checkmate which occurs after the moves 1 In Chess, a smothered mate is a Checkmate delivered by a knight in which the mated king is unable to move because he is surrounded (or smothered In Chess, a back rank checkmate is a Checkmate delivered by a rook or queen along a back rank (that is the row on which the pieces Boden's Mate is a Checkmate pattern in Chess. It is named after Samuel Boden, who delivered the first known example of this mate in Schulder-Boden Epaulette or epaulet mate is in its broadest definition a Checkmate where two parallel retreat squares for a checked king are occupied by his The Légal Trap, Blackburne Trap, also known as Légal Pseudo-Sacrifice and Légal Mate is a Chess opening trap characterized by a

Some opening traps involve an early checkmate. In Chess the word " opening " has two common meanings both of which are discussed in this article These include:

See also

Notes

  1. ^ "The King Isn't Dead After All! The Real Meaning of Shah Mat or the Lesson of the Commode", Jan Newton, GoddessChess. The rules of chess (also known as the laws of chess) are rules governing the play of the game of Chess. In games such as Chess, Shogi, and Xiangqi, a check is an immediate threat to capture the king (or general in xiangqi In Chess, the endgame (or end game or ending) refers to the stage of the game when there are few pieces left on the board A chess problem, also called a chess composition, is a puzzle set by somebody using Chess pieces on a Chess board that presents the solver with In 1913 preeminent Chess historian HJR Murray wrote in his 900-page magnum opus A History of Chess that "The Game possesses a Technique Since checkmate can only be forced in the corner of the same colour as the squares on which the bishop moves an opponent who is aware of this will try to stay first in In Chess, a back rank checkmate is a Checkmate delivered by a rook or queen along a back rank (that is the row on which the pieces Boden's Mate is a Checkmate pattern in Chess. It is named after Samuel Boden, who delivered the first known example of this mate in Schulder-Boden Epaulette or epaulet mate is in its broadest definition a Checkmate where two parallel retreat squares for a checked king are occupied by his For the Peter Hammill album of the same name see Fool's Mate (album Fool's mate, also known as the "two-move checkmate" In Chess, an ideal mate is a Checkmate position that is a special form of Model mate. The Légal Trap, Blackburne Trap, also known as Légal Pseudo-Sacrifice and Légal Mate is a Chess opening trap characterized by a A model mate is a checkmating position in Chess in which the checkmated king and all vacant squares in its field are attacked only once and squares in Basic checkmates See also Checkmate Checkmate can be forced against a lone king with a king plus (1 a queen, (2 a rook, (3 two A pure mate is a checkmating position in Chess in which the mated king and all vacant squares in its field are attacked only once and squares in the king's In Chess, scholar's mate is the Checkmate which occurs after the moves 1 In Chess, a smothered mate is a Checkmate delivered by a knight in which the mated king is unable to move because he is surrounded (or smothered com, September 2003

References

External links

Dictionary

checkmate

-interjection

  1. (chess) Word called out by the victor when making the conclusive move.

-noun

  1. The conclusive victory in a game of chess that occurs when an opponent's king has no possible move that can remove him from check, the threat of attack.
  2. (figuratively, by extension) Any situation that has no obvious escape and involves some personal loss.

-verb

  1. (transitive, chess) To put the king of an opponent into checkmate.
  2. (transitive, by extension) To lead to a situation that has no obvious escape without some personal loss.
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