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Day 214: 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. Attack on the uncastled king: queen to h1 (g1·3)Shuffle Rating 780Analysis
White to move — find the best continuation
2. Attack on the uncastled king: pawn to b5 (c4·20)Shuffle Rating 780Analysis
White to move — find the best continuation
3. Attack on the uncastled king: knight to a5 (b3·11)Shuffle Rating 780Analysis
White to move — find the best continuation
4. Winning blow: pawn to g5 (h4·3)Shuffle Rating 780Analysis
White to move — find the best continuation
5. Attack on the uncastled king: pawn to a5 (b4·7)Shuffle Rating 780Analysis
White to move — find the best continuation
6. Attack on the uncastled king: rook to h7Shuffle Rating 780Analysis
White to move — find the best continuation
7. Attack on the uncastled king: bishop to a6 (f1·6)Shuffle Rating 780Analysis
White to move — find the best continuation
8. Attack on the uncastled king: pawn to g3 (f2·9)Shuffle Rating 780Analysis
White to move — find the best continuation
9. Attack on the uncastled king: knight to g5 (f3·10)Shuffle Rating 780Analysis
White to move — find the best continuation
10. Attack on the uncastled king: knight to e3 (f5)Shuffle Rating 780Analysis
White to move — find the best continuation

Core set

11. Attack on the uncastled king: queen to b8 (a7·16)Shuffle Rating 1090Analysis
White to move — find the best continuation
12. Attack on the uncastled king: knight to d7 (e5·15)Shuffle Rating 1090Analysis
White to move — find the best continuation
13. Attack on the uncastled king: queen to a8 (b7·4)Shuffle Rating 1090Analysis
White to move — find the best continuation
14. Attack on the uncastled king: queen to c8 (c1·6)Shuffle Rating 1090Analysis
White to move — find the best continuation
15. Attack on the uncastled king: rook to d8 (d1·16)Shuffle Rating 1090Analysis
White to move — find the best continuation
16. Winning blow: pawn to f6 (e5·3)Shuffle Rating 920Analysis
White to move — find the best continuation
17. Attack on the uncastled king: pawn to e5 (f4·89)Shuffle Rating 920Analysis
White to move — find the best continuation
18. Attack on the uncastled king: bishop to c7 (g3)Shuffle Rating 920Analysis
White to move — find the best continuation
19. Attack on the uncastled king: bishop to a6 (e2·2)Shuffle Rating 920Analysis
White to move — find the best continuation
20. Winning blow: rook to b8 (d8)Shuffle Rating 920Analysis
White to move — find the best continuation
21. Fork: knight to e5 (c6)Shuffle Rating 949Analysis
Black to move — find the best continuation
22. Attack on the uncastled king: bishop to f4 (e3·5)Shuffle Rating 970Analysis
White to move — find the best continuation
23. Attack on the uncastled king: rook to e8 (c8)Shuffle Rating 920Analysis
White to move — find the best continuation
24. Attack on the uncastled king: bishop to f6 (d4·6)Shuffle Rating 920Analysis
White to move — find the best continuation
25. Winning blow: bishop to f5 (d3)Shuffle Rating 920Analysis
White to move — find the best continuation

Challenge

26. Attack on the uncastled king: rook to h8 (h1·6)Shuffle Rating 1060Analysis
White to move — find the best continuation
27. Attack on the uncastled king: knight to g7 (f5·16)Shuffle Rating 1110Analysis
White to move — find the best continuation
28. Attack on the uncastled king: bishop to g6 (h7·4)Shuffle Rating 1200Analysis
White to move — find the best continuation

Review

29. Mate in 2: knight to h3Shuffle Rating 1058Analysis
Black to move — find the best continuation
30. Winning blow: queen to d5 (d1)Shuffle Rating 780Analysis
White to move — find the best continuation

Day complete — every puzzle solved. See you tomorrow!

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