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Two basic checkmate positions are shown with a bishop and a knight, or the bishop and knight checkmate. [40] The first position is a checkmate by the bishop, with the black king in the corner. The bishop can be on other squares along the diagonal, the white king and knight have to be on squares that attack g8 and h7. The second position is a ...
In Anastasia's mate, a knight and rook team up to trap the opposing king between the side of the board on one side and a friendly piece on the other. Often, the queen is first sacrificed along the a-file or h-file to achieve the position. A bishop can be used instead of a knight to the same effect (see Greco's mate).
A dead position is defined as a position where neither player can checkmate their opponent's king by any sequence of legal moves. [34] According to the rules of chess the game is immediately terminated the moment a dead position appears on the board.
In chess, the bishop and knight checkmate is the checkmate of a lone king by an opposing king, bishop, and knight.With the stronger side to move, checkmate can be forced in at most thirty-three moves from almost any starting position.
Fool's mate Fool's mate The shortest possible chess game ending in mate: 1.f3 e5 2.g4 Qh4# (or minor variations on this). [176] forced mate A sequence of two or more moves culminating in checkmate that the opponent cannot prevent. [177] forced move A move that is the only one to not result in a serious disadvantage for the moving player.
For each position, the tablebase evaluates the situation separately for White-to-move and Black-to-move. Assuming that White has the queen, almost all the positions are White wins, with checkmate forced in no more than ten moves. Some positions are draws because of stalemate or the unavoidable loss of the queen.
The two knights endgame is a chess endgame with a king and two knights versus a king. In contrast to a king and two bishops (on opposite-colored squares), or a bishop and a knight, a king and two knights cannot force checkmate against a lone king (however, the superior side can force stalemate [1] [2]).
Scholar's mate was named and described in The Royall Game of Chesse-Play, a 1656 text by Francis Beale which adapted the work of the early chess writer Gioachino Greco. [1] The example given above is an adaptation of that reported by Beale.