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Day 696: Back-rank mate

Lesson of the day

The back-rank mate strikes a king locked behind its own unmoved pawns when a rook or queen crashes onto the last rank. The signs: no escape hole in front of the king, and the back rank guarded by a single piece or by nobody at all. Often that lone guard is deflected or traded off first, and only then comes the invasion. In your own games, make luft in time — one pawn move prevents a sudden catastrophe.

Warm-up

1. Winning blow: knight to b7 (a5·3)Shuffle Rating 1280Analysis
White to move — find the best continuation
2. Winning blow: bishop to b4 (c3·7)Shuffle Rating 1280Analysis
White to move — find the best continuation
3. Winning blow: bishop to a5 (b4)Shuffle Rating 1280Analysis
White to move — find the best continuation
4. Winning blow: rook to e8 (e6·4)Shuffle Rating 1280Analysis
White to move — find the best continuation
5. Winning blow: pawn to g4 (f3·4)Shuffle Rating 1280Analysis
White to move — find the best continuation
6. Winning blow: rook to e4 (e2·3)Shuffle Rating 1280Analysis
White to move — find the best continuation
7. Winning blow: pawn to d4 (c3·7)Shuffle Rating 1280Analysis
White to move — find the best continuation
8. Winning blow: rook to f5 (f1·9)Shuffle Rating 1280Analysis
White to move — find the best continuation
9. Winning blow: queen to a8 (d5·2)Shuffle Rating 1280Analysis
White to move — find the best continuation
10. Winning blow: queen to h7 (h6·4)Shuffle Rating 1290Analysis
White to move — find the best continuation

Core set

11. Attack on the uncastled king: queen to b8 (b7·3)Shuffle Rating 1630Analysis
White to move — find the best continuation
12. Attack on the uncastled king: queen to h8 (d4·7)Shuffle Rating 1630Analysis
White to move — find the best continuation
13. Attack on the uncastled king: pawn to a8 (a7)Shuffle Rating 1630Analysis
White to move — find the best continuation
14. Attack on the uncastled king: queen to h8 (h4·4)Shuffle Rating 1630Analysis
White to move — find the best continuation
15. Mate in 3: queen to h8 (f6)Shuffle Rating 1630Analysis
White to move — find the best continuation
16. Mate in 2: queen to g6 (h6·3)Shuffle Rating 1450Analysis
White to move — find the best continuation
17. Attack on the uncastled king: queen to e4 (e2·6)Shuffle Rating 1510Analysis
White to move — find the best continuation
18. Attack on the uncastled king: queen to f7 (f3·7)Shuffle Rating 1450Analysis
White to move — find the best continuation
19. Winning blow: queen to g7 (g5·5)Shuffle Rating 1510Analysis
White to move — find the best continuation
20. Winning blow: rook to e1 (f1·11)Shuffle Rating 1420Analysis
White to move — find the best continuation
21. Mate in 2: queen to e6 (f7)Shuffle Rating 1450Analysis
White to move — find the best continuation
22. Winning blow: knight to c5 (e4·8)Shuffle Rating 1510Analysis
White to move — find the best continuation
23. Winning blow: knight to e6 (c5·20)Shuffle Rating 1420Analysis
White to move — find the best continuation
24. Mate in 2: rook to c6 (d6)Shuffle Rating 1450Analysis
White to move — find the best continuation
25. Winning blow: queen to c6 (b7·5)Shuffle Rating 1510Analysis
White to move — find the best continuation

Challenge

26. Winning blow: rook to b5 (a5·3)Shuffle Rating 1610Analysis
White to move — find the best continuation
27. Winning blow: pawn to c4 (c2·6)Shuffle Rating 1750Analysis
White to move — find the best continuation
28. Pin: rook to e1 (e3)Shuffle Rating 1803Analysis
Black to move — find the best continuation

Review

29. Winning blow: bishop to f2 (g1·8)Shuffle Rating 1420Analysis
White to move — find the best continuation
30. Mate in 3: queen to h4 (f4·2)Shuffle Rating 1630Analysis
White to move — find the best continuation

Day complete — every puzzle solved. See you tomorrow!

Day 697 →