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Day 649: 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 e7 (e3·3)Shuffle Rating 1250Analysis
White to move — find the best continuation
2. Winning blow: rook to g7 (g3·5)Shuffle Rating 1200Analysis
White to move — find the best continuation
3. Winning blow: pawn to g7 (f6·2)Shuffle Rating 1200Analysis
White to move — find the best continuation
4. Winning blow: bishop to d6 (f4·2)Shuffle Rating 1200Analysis
White to move — find the best continuation
5. Winning blow: king to g1 (f2·8)Shuffle Rating 1250Analysis
White to move — find the best continuation
6. Attack on the uncastled king: queen to g6 (e4)Shuffle Rating 1200Analysis
White to move — find the best continuation
7. Mate in 2: queen to c6 (f3·4)Shuffle Rating 1320Analysis
White to move — find the best continuation
8. Winning blow: king to e2 (e1·14)Shuffle Rating 1250Analysis
White to move — find the best continuation
9. Winning blow: queen to g5 (d2·2)Shuffle Rating 1200Analysis
White to move — find the best continuation
10. Mate in 2: queen to c7 (h2)Shuffle Rating 1320Analysis
White to move — find the best continuation

Core set

11. Attack on the uncastled king: queen to h8 (g7·7)Shuffle Rating 1630Analysis
White to move — find the best continuation
12. Attack on the uncastled king: queen to h8 (h7·6)Shuffle Rating 1630Analysis
White to move — find the best continuation
13. Attack on the uncastled king: queen to f6 (a1·10)Shuffle Rating 1630Analysis
White to move — find the best continuation
14. Attack on the uncastled king: rook to b8 (b3·4)Shuffle Rating 1630Analysis
White to move — find the best continuation
15. Attack on the uncastled king: queen to f8 (g8·7)Shuffle Rating 1630Analysis
White to move — find the best continuation
16. Winning blow: queen to g7 (a1·3)Shuffle Rating 1430Analysis
White to move — find the best continuation
17. Attack on the uncastled king: rook to b7 (b1·4)Shuffle Rating 1430Analysis
White to move — find the best continuation
18. Winning blow: bishop to f6 (g7·4)Shuffle Rating 1430Analysis
White to move — find the best continuation
19. Winning blow: pawn to h5 (h4·2)Shuffle Rating 1470Analysis
White to move — find the best continuation
20. Winning blow: rook to d6 (d5·6)Shuffle Rating 1510Analysis
White to move — find the best continuation
21. Attack on the uncastled king: bishop to h7 (d3·5)Shuffle Rating 1430Analysis
White to move — find the best continuation
22. Winning blow: rook to a3 (e3·2)Shuffle Rating 1470Analysis
White to move — find the best continuation
23. Winning blow: bishop to e5 (a1·17)Shuffle Rating 1510Analysis
White to move — find the best continuation
24. Winning blow: rook to f8 (e8·2)Shuffle Rating 1430Analysis
White to move — find the best continuation
25. Winning blow: rook to d4 (d6)Shuffle Rating 1470Analysis
White to move — find the best continuation

Challenge

26. Castling-960 to the rescue on g1 (f1·13)Shuffle Rating 1570Analysis
White to move — find the best continuation
27. Attack on the uncastled king: queen to b7 (a6·4)Shuffle Rating 1670Analysis
White to move — find the best continuation
28. Winning blow: pawn to c5 (c4·12)Shuffle Rating 1750Analysis
White to move — find the best continuation

Review

29. Winning blow: rook to e8 (e4·4)Shuffle Rating 1290Analysis
White to move — find the best continuation
30. Mate in 2: pawn to h6 (h5·2)Shuffle Rating 1410Analysis
White to move — find the best continuation

Day complete — every puzzle solved. See you tomorrow!

Day 650 →