ChessRanger
Tactics

Cross-check

Answering a check with a check of your own — often a saving or winning resource.

A cross-check is when the side in check responds by blocking or moving so that the interposing (or moving) piece delivers check right back. In queen endgames especially, a well-timed cross-check breaks a perpetual, wins the enemy queen, or forces a favourable trade.

It's a defensive and offensive gem: it turns the opponent's own checking sequence against them. Spotting the cross-check resource is often the difference between a draw by perpetual and a win, or between losing and holding.

Why it matters

In queen-and-pawn endgames the cross-check is the key drawing and winning device — missing it turns won positions into draws and vice versa.

The mistake everyone makes

Assuming a stream of checks is an unstoppable perpetual, when a cross-check would interpose with tempo and end it in your favour.

Related terms

Perpetual check
An unbroken series of checks the opponent can never escape, forcing a draw by repetition.
Check
An attack on the king that must be answered immediately.
Double check
Two pieces give check at the same time; the king must move.
Discovered check
A check delivered by moving a piece out of the way of a rook, bishop, or queen behind it.

See Cross-check in your own games

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