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Day 743: Mate in 1

Lesson of the day

Mate in one: the combination is over, only the final precise shot remains. The method is simple — list every check you have and test the three escapes against each: king moves, blocks, and capturing the checker. If none of them works, it is mate. The classic blunder is falling in love with the first check you see and missing the one escape hatch.

Warm-up

1. Winning blow: rook to d7 (d5·4)Shuffle Rating 1510Analysis
White to move — find the best continuation
2. Winning blow: queen to e6 (f6·4)Shuffle Rating 1510Analysis
White to move — find the best continuation
3. Winning blow: queen to c6 (f6)Shuffle Rating 1510Analysis
White to move — find the best continuation
4. Winning blow: bishop to a6 (e2·3)Shuffle Rating 1510Analysis
White to move — find the best continuation
5. Winning blow: bishop to e7 (f8)Shuffle Rating 1510Analysis
White to move — find the best continuation
6. Winning blow: rook to c7 (g7·5)Shuffle Rating 1510Analysis
White to move — find the best continuation
7. Attack on the uncastled king: queen to e8 (e4·4)Shuffle Rating 1510Analysis
White to move — find the best continuation
8. Winning blow: queen to c6 (b7·6)Shuffle Rating 1510Analysis
White to move — find the best continuation
9. Attack on the uncastled king: queen to d5 (b3·4)Shuffle Rating 1510Analysis
White to move — find the best continuation
10. Winning blow: bishop to b7 (a8·3)Shuffle Rating 1510Analysis
White to move — find the best continuation

Core set

11. Mate in 1: queen to c6 (b6)Shuffle Rating 1709Analysis
White to move — find the best continuation
12. Mate in 1: queen to h2 (e5·4)Shuffle Rating 1720Analysis
Black to move — find the best continuation
13. Mate in 1: queen to g4 (f5)Shuffle Rating 1772Analysis
Black to move — find the best continuation
14. Mate in 1: discovered attack on d2Shuffle Rating 1790Analysis
Black to move — find the best continuation
15. Mate in 1: pin on e8 (e3)Shuffle Rating 1824Analysis
White to move — find the best continuation
16. Fork: knight to d5 (f4·2)Shuffle Rating 1681Analysis
White to move — find the best continuation
17. Mate in 3: rook to h7 (h3)Shuffle Rating 1630Analysis
White to move — find the best continuation
18. Mate in 3: queen to b8 (c8)Shuffle Rating 1630Analysis
White to move — find the best continuation
19. Mate in 2: rook to b4Shuffle Rating 1630Analysis
White to move — find the best continuation
20. Attack on the uncastled king: queen to d8 (g8)Shuffle Rating 1670Analysis
White to move — find the best continuation
21. Mate in 3: king to b1Shuffle Rating 1630Analysis
White to move — find the best continuation
22. Mate in 3: queen to c6 (b6·2)Shuffle Rating 1630Analysis
White to move — find the best continuation
23. Mate in 2: bishop to c6 (f3·2)Shuffle Rating 1630Analysis
White to move — find the best continuation
24. Mate in 2: queen to b7 (b6·4)Shuffle Rating 1670Analysis
White to move — find the best continuation
25. Mate in 3: pawn to f4 (e3)Shuffle Rating 1630Analysis
White to move — find the best continuation

Challenge

26. Mate in 3: queen to d6 (f6·2)Shuffle Rating 1760Analysis
White to move — find the best continuation
27. Winning blow: rook to c7 (c1·26)Shuffle Rating 1870Analysis
White to move — find the best continuation
28. Mate in 2: double attack on h2Shuffle Rating 1883Analysis
Black to move — find the best continuation

Review

29. Attack on the uncastled king: rook to f6 (f4)Shuffle Rating 1510Analysis
White to move — find the best continuation
30. Attack on the uncastled king: queen to e6 (f5·2)Shuffle Rating 1510Analysis
White to move — find the best continuation

Day complete — every puzzle solved. See you tomorrow!

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