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Day 592: 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: queen to c8 (g4·2)Shuffle Rating 1200Analysis
White to move — find the best continuation
2. Winning blow: queen to f4 (g4)Shuffle Rating 1200Analysis
White to move — find the best continuation
3. Attack on the uncastled king: rook to e8 (e1·17)Shuffle Rating 1200Analysis
White to move — find the best continuation
4. Winning blow: queen to f6 (f5·4)Shuffle Rating 1200Analysis
White to move — find the best continuation
5. Attack on the uncastled king: queen to b7 (a6·2)Shuffle Rating 1200Analysis
White to move — find the best continuation
6. Attack on the uncastled king: pawn to g7 (h6·6)Shuffle Rating 1200Analysis
White to move — find the best continuation
7. Winning blow: queen to f8 (d6·2)Shuffle Rating 1200Analysis
White to move — find the best continuation
8. Winning blow: queen to d5 (a2·2)Shuffle Rating 1200Analysis
White to move — find the best continuation
9. Winning blow: queen to e8 (a4·2)Shuffle Rating 1280Analysis
White to move — find the best continuation
10. Winning blow: knight to c6 (b4·8)Shuffle Rating 1200Analysis
White to move — find the best continuation

Core set

11. Mate in 2: queen to h7 (d3·6)Shuffle Rating 1450Analysis
White to move — find the best continuation
12. Mate in 2: queen to f7 (d7)Shuffle Rating 1450Analysis
White to move — find the best continuation
13. Mate in 2: queen to f7 (f4·7)Shuffle Rating 1450Analysis
White to move — find the best continuation
14. Mate in 2: queen to d8 (h4·5)Shuffle Rating 1450Analysis
White to move — find the best continuation
15. Mate in 2: queen to f7 (f5·4)Shuffle Rating 1450Analysis
White to move — find the best continuation
16. Winning blow: queen to d5 (d1·2)Shuffle Rating 1420Analysis
White to move — find the best continuation
17. Winning blow: rook to e7 (d7·4)Shuffle Rating 1420Analysis
White to move — find the best continuation
18. Mate in 2: rook to b7 (b3)Shuffle Rating 1320Analysis
White to move — find the best continuation
19. Winning blow: bishop to e4 (f5·3)Shuffle Rating 1340Analysis
White to move — find the best continuation
20. Winning blow: pawn to b8 (b7·7)Shuffle Rating 1420Analysis
White to move — find the best continuation
21. Mate in 2: queen to e8 (e3·5)Shuffle Rating 1320Analysis
White to move — find the best continuation
22. Winning blow: knight to c6 (a5·10)Shuffle Rating 1340Analysis
White to move — find the best continuation
23. Winning blow: queen to b6 (d4)Shuffle Rating 1420Analysis
White to move — find the best continuation
24. Mate in 2: queen to e7 (g5)Shuffle Rating 1320Analysis
White to move — find the best continuation
25. Winning blow: queen to f6 (b2·7)Shuffle Rating 1340Analysis
White to move — find the best continuation

Challenge

26. Winning blow: knight to a5 (b7·2)Shuffle Rating 1560Analysis
White to move — find the best continuation
27. Attack on the uncastled king: queen to c8 (b7·9)Shuffle Rating 1630Analysis
White to move — find the best continuation
28. Mate in 1: pin on c8Shuffle Rating 1688Analysis
White to move — find the best continuation

Review

29. Attack on the uncastled king: knight to c6 (d4·20)Shuffle Rating 1450Analysis
White to move — find the best continuation
30. Winning blow: knight to g6 (e7·4)Shuffle Rating 1420Analysis
White to move — find the best continuation

Day complete — every puzzle solved. See you tomorrow!

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