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to check the accuracy or validity of something by using alternative sources or methods
an act of determining the accuracy or credibility of something by comparing it with various sources
a tactical move in response to a check, where the checked player delivers a counter-check by moving another piece, creating a double threat that must be addressed by the opponent
What is a "cross-check"?
In chess, a cross-check occurs when a player responds to an opponent's check by delivering a check of their own, often using a piece that blocks the original check or reveals a discovered check. This tactic can be particularly effective in endgames where it forces the opponent to deal with the new check, potentially disrupting their plans and leading to a favorable outcome for the player delivering the cross-check.
