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Goal: Put one of your pieces between your king and the checking piece. 4 puzzles · ★★★ = no mistakes.
Your king cannot move. Block the rook’s check. (Two pieces can do it.)
Find the line from the attacker to your king. Which of your pieces can move onto a square on that line?
The second way out of check is to block: put a piece in the way. You can block a rook, bishop or queen — but not a knight or a pawn, because there is no gap between them and the king.
Chapter 3 — Check: Attack the king — and learn the three ways out of check: move the king, block, or capture the attacker.