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With the stronger side to move, checkmate can be forced in at most thirty-three moves from almost any starting position. [1] [2] Although it is classified as one of the four basic checkmates, [3] [a] the bishop and knight checkmate occurs in practice only approximately once in every 6,000 games. [4]
The checkmate utilizes a queen and bishop, where the bishop is used to support the queen and the queen is used to engage the checkmate. The checkmate is named after Pedro Damiano . One can also think of similar mates like 'Damiano's knight' and 'Damiano's rook' or even 'Damiano's king' (See Queen mate below), 'Damiano's pawn' or 'Damiano's ...
This article covers computer software designed to solve, or assist people in creating or solving, chess problems – puzzles in which pieces are laid out as in a game of chess, and may at times be based upon real games of chess that have been played and recorded, but whose aim is to challenge the problemist to find a solution to the posed situation, within the rules of chess, rather than to ...
Minor pieces get into play earlier than rooks, and they coordinate better, especially when there are many pieces and pawns on the board. On the other hand, rooks are usually blocked by pawns until later in the game. [59] Pachman also notes that the bishop pair is almost always better than a rook and pawn. [60]
A bishop and knight can force mate, but with far greater difficulty than two bishops. In certain positions a bishop can by itself lose a move (see triangulation and tempo), while a knight can never do so. The bishop is capable of skewering or pinning a piece, while the knight can do neither. A bishop can in some situations hinder a knight from ...
In all variations, the basic idea is the same: the queen and bishop combine in a simple mating attack, occurring on f7 for White or on f2 for Black. Scholar's mate is sometimes referred to as the four-move checkmate, although there are other ways for checkmate to occur in four moves.
Often the mate is immediately preceded by a sacrifice that opens up the diagonal on which the bishop delivers checkmate, and the mate is often a pure mate (as is the case for all but one of the examples given here). The mate is named for Samuel Boden, who played a famous early example of it in Schulder–Boden, London 1853.
For instance, the endgame with a queen and bishop versus two rooks was thought to be a draw, but tablebases proved it to be a win for the queen and bishop, so almost all studies based on this endgame are unsound. [70] For example, Erik Pogosyants composed the study at right, with White to play and win. The intended main line was 1. Ne3!