In chess, a discovered check occurs when a player moves one of their pieces, revealing that another piece, usually a rook, queen, or bishop, is now attacking the opponent’s king. The key aspect of a discovered check is that the check is only revealed after the player moves the piece blocking the attacking piece’s line of sight. This can be a powerful tactic, as it forces the opponent to respond to the check while also potentially setting up other threats. Discovered checks are often used to surprise the opponent and create strong attacking opportunities.

英語での「discovered check」の定義と意味

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