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Day 258: 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: pawn to e5 (d4·77)Shuffle Rating 780Analysis
White to move — find the best continuation
2. Attack on the uncastled king: rook to h1 (f1·3)Shuffle Rating 780Analysis
White to move — find the best continuation
3. Attack on the uncastled king: bishop to d4 (e3·2)Shuffle Rating 780Analysis
White to move — find the best continuation
4. Attack on the uncastled king: rook to a2 (a1·7)Shuffle Rating 780Analysis
White to move — find the best continuation
5. Attack on the uncastled king: rook to f8 (f1·7)Shuffle Rating 780Analysis
White to move — find the best continuation
6. Attack on the uncastled king: queen to a8 (b7·2)Shuffle Rating 780Analysis
White to move — find the best continuation
7. Attack on the uncastled king: pawn to d5 (e4·73)Shuffle Rating 780Analysis
White to move — find the best continuation
8. Attack on the uncastled king: knight to d4 (b3·11)Shuffle Rating 780Analysis
White to move — find the best continuation
9. Attack on the uncastled king: bishop to f6 (a1·10)Shuffle Rating 780Analysis
White to move — find the best continuation
10. Attack on the uncastled king: knight to c6 (e5·3)Shuffle Rating 780Analysis
White to move — find the best continuation

Core set

11. Mate in 2: bishop to f7Shuffle Rating 1090Analysis
White to move — find the best continuation
12. Attack on the uncastled king: queen to d8 (d5)Shuffle Rating 1090Analysis
White to move — find the best continuation
13. Mate in 2: queen to g8 (g6)Shuffle Rating 1090Analysis
White to move — find the best continuation
14. Attack on the uncastled king: rook to f8 (g8·3)Shuffle Rating 1090Analysis
White to move — find the best continuation
15. Attack on the uncastled king: rook to g8 (g1·7)Shuffle Rating 1090Analysis
White to move — find the best continuation
16. Fork: knight to e6 (c5)Shuffle Rating 1022Analysis
Black to move — find the best continuation
17. Winning blow: queen to e2Shuffle Rating 970Analysis
White to move — find the best continuation
18. Winning blow: queen to f6 (e6)Shuffle Rating 1010Analysis
White to move — find the best continuation
19. Winning blow: king to g1 (f2·4)Shuffle Rating 970Analysis
White to move — find the best continuation
20. Winning blow: rook to e7 (e1·4)Shuffle Rating 1010Analysis
White to move — find the best continuation
21. Winning blow: king to c1 (d2·3)Shuffle Rating 970Analysis
White to move — find the best continuation
22. Winning blow: queen to f7 (a7)Shuffle Rating 1010Analysis
White to move — find the best continuation
23. Winning blow: king to e2 (e1·9)Shuffle Rating 970Analysis
White to move — find the best continuation
24. Winning blow: rook to c4 (g4)Shuffle Rating 1010Analysis
White to move — find the best continuation
25. Winning blow: king to c2 (c1·6)Shuffle Rating 970Analysis
White to move — find the best continuation

Challenge

26. Attack on the uncastled king: bishop to b4 (a3·4)Shuffle Rating 1150Analysis
White to move — find the best continuation
27. Mate in 2: pawn to h5 (h6)Shuffle Rating 1191Analysis
Black to move — find the best continuation
28. Winning blow: rook to g8 (g1·10)Shuffle Rating 1200Analysis
White to move — find the best continuation

Review

29. Winning blow: bishop to g7 (h6·3)Shuffle Rating 1060Analysis
White to move — find the best continuation
30. Attack on the uncastled king: bishop to g4 (f3·3)Shuffle Rating 780Analysis
White to move — find the best continuation

Day complete — every puzzle solved. See you tomorrow!

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