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Checkmate

From WikiChess

Image:chess zhor 26.png
Image:chess zver 26.png a8 kd b8 c8 d8 e8 rl f8 g8 h8 Image:chess zver 26.png
a7 b7 c7 d7 e7 f7 g7 h7
a6 b6 kl c6 d6 e6 f6 g6 h6
a5 b5 c5 d5 e5 f5 g5 h5
a4 b4 c4 d4 e4 f4 g4 h4
a3 b3 c3 d3 e3 f3 g3 h3
a2 b2 c2 d2 e2 f2 g2 h2
a1 b1 c1 d1 e1 f1 g1 h1
Image:chess zhor 26.png
White moved his rook to e8, inflicting checkmate to the black king. The game is over.

Checkmate occurs when a king that is in check cannot move out of check, block the check with other pieces, or capture the checking piece. It signifies the end of the game. The checkmate is the primary and the only aim in a chess game. However, checkmate rarely occurs, because in the most games a player resigns before that happens, or a draw is agreed.

Checkmate is different from Stalemate, where the king is NOT in check but cannot move anywhere.

[edit] Basic Checkmates

[edit] Mating with two rooks

Image:chess zhor 26.png
Image:chess zver 26.png a8 b8 c8 d8 e8 f8 g8 h8 Image:chess zver 26.png
a7 b7 c7 d7 e7 f7 g7 h7
a6 b6 c6 d6 e6 f6 g6 h6
a5 b5 c5 kd d5 e5 f5 g5 rl h5
a4 b4 c4 d4 e4 f4 g4 h4 rl
a3 b3 c3 d3 e3 f3 g3 h3
a2 b2 c2 d2 e2 f2 g2 kl h2
a1 b1 c1 d1 e1 f1 g1 h1
Image:chess zhor 26.png
Mating with two rooks.

This checkmate is very simple to deliver. The key position is shown at right. While the rook in g5 checks the king, the rook in h4 forces him to move towards the edge of the board. Then the sequence is continued with Rh6+, Rg7+ ext. Obiviously rotated or reversed schemes allow anyway to checkmate.