Day 635: Discovered mate
Lesson of the day
In a discovered mate the piece that moves is not the one that mates — the long-range piece behind it delivers the blow. The moving piece is completely free: it can land anywhere, ideally stealing the king's last squares or guarding key points. Look for your rook, bishop or queen lined up with the enemy king, with exactly one of your own pieces in between. When choosing the unveiling move, remember its second job — shutting the king's escape door.
Warm-up
White to move — find the best continuation
White to move — find the best continuation
White to move — find the best continuation
White to move — find the best continuation
White to move — find the best continuation
White to move — find the best continuation
White to move — find the best continuation
White to move — find the best continuation
White to move — find the best continuation
White to move — find the best continuation
Core set
White to move — find the best continuation
White to move — find the best continuation
White to move — find the best continuation
White to move — find the best continuation
White to move — find the best continuation
White to move — find the best continuation
White to move — find the best continuation
White to move — find the best continuation
White to move — find the best continuation
White to move — find the best continuation
White to move — find the best continuation
White to move — find the best continuation
White to move — find the best continuation
White to move — find the best continuation
White to move — find the best continuation
Challenge
White to move — find the best continuation
White to move — find the best continuation
White to move — find the best continuation
Review
Black to move — find the best continuation
White to move — find the best continuation
Day complete — every puzzle solved. See you tomorrow!
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