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The checkmate is delivered by a rook with the queen's assistance. The rook is adjacent to the king, while the queen supports the rook, being separated from it by one empty square on the same diagonal as the rook. This forms a 3 by 3 box shape, inside which the enemy king is trapped.
In the illustration, White checkmates by forcing the Black king to the edge, one row at a time. The ladder checkmate can be used to checkmate with two rooks, two queens, or a rook and a queen. [18] Checkmate using a queen and rook. 1.Qg5+ Ke4 2.Rf4+ Ke3 3.Qg3+ Ke2 4.Rf2+ Ke1 5.Qg1# [19]
In chess, a back-rank checkmate (also known as a corridor mate) is a checkmate delivered by a rook or queen along the opponent's back rank (that is, the row closest to them) in which the mated king is unable to move up the board because the king is blocked by friendly pieces (usually pawns) on the second rank.
Back rank checkmate – checkmate delivered by a rook or queen along a back rank (that is, the row on which the pieces (not pawns) stand at the start of the game) in which the mated king is unable to move up the board because the king is blocked by friendly pieces (usually pawns) on the second rank (Burgess 2009:16).
Left to right: king, rook, queen, pawn, knight, bishop. The rules of chess (also known as the laws of chess) govern the play of the game of chess. Chess is a two-player abstract strategy board game. Each player controls sixteen pieces of six types on a chessboard. Each type of piece moves in a distinct way.
Normally, the winning process involves first winning the rook with the queen via a fork and then checkmating with the king and queen, but forced checkmates with the rook still on the board are possible in some positions or against incorrect defense. With perfect play, in the worst winning position, the queen can win the rook or checkmate within ...
A queen wins against a lone rook, unless there is an immediate draw by stalemate or due to perpetual check [3] (or if the rook or king can immediately capture the queen). In 1895, Edward Freeborough edited an entire 130-page book of analysis of this endgame, titled The Chess Ending, King & Queen against King & Rook.
A queen or bishop moving along a long diagonal will change square colors when crossing the center of the board. A knight jumps in a familiar "L" pattern of the chess knight: two steps orthogonally in the same direction, then one step orthogonally to the side. Jumping by other than a (2,1) leap is not permitted. [b]