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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]).
A rule of thumb (with exceptions) is: if the king on the side without the pawn can reach the queening square of the pawn, the game is a draw; otherwise it is a win for the opponent (except with a rook pawn, i.e. a- or h-file). [12] The side with the pawn can cut off the opposing king or strive for the Lucena position, which is a win
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. Some basic endings are always dead positions; for example: king against king;
The king is not allowed to castle when it is in check. Blocking the check . Also called interposing , this is possible only if the checking piece is a queen , rook , or bishop and there is at least one empty square in the line between the checking piece and the checked king.
White can achieve a checkmate similar to fool's mate. When the roles are reversed, however, White requires an extra third turn or half-move, known in computer chess as a ply. In both cases, the principle is the same: a player advances their f- and g-pawns such that the opponent's queen can mate along the unblocked diagonal.
Philidor's mate, also known as Philidor's legacy, is a checkmating pattern that ends in smothered mate. This method involves checking with the knight forcing the king out of the corner of the board, moving the knight away to deliver a double check from the queen and knight, sacrificing the queen to force the rook next to the king, and mating with the knight.
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 ...
Proviso (4) above is exactly the rule that says you can't castle through check, though. The square the rook ends up on is exactly the same as the square the king passes through. It is actually (3) that is against the standard rules: you can castle if your rook is attacked. Double sharp 11:53, 5 October 2021 (UTC)