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Day 430: Deflection

Lesson of the day

Deflection forces the guard to leave its post: a sacrifice or exchange drags it away from the piece or square it protects. First find the critical defender — the piece whose absence makes the mate or the material win possible. Then find the move it cannot ignore, which is usually a capture. Do not be stingy: if removing the guard wins the queen or mates, the sacrifice pays for itself many times over.

Warm-up

1. Winning blow: knight to c6 (e5·9)Shuffle Rating 920Analysis
White to move — find the best continuation
2. Attack on the uncastled king: knight to e6 (c5·16)Shuffle Rating 920Analysis
White to move — find the best continuation
3. Winning blow: knight to g5 (e6)Shuffle Rating 920Analysis
White to move — find the best continuation
4. Attack on the uncastled king: knight to f6 (d5·6)Shuffle Rating 920Analysis
White to move — find the best continuation
5. Winning blow: knight to e6 (g5·6)Shuffle Rating 920Analysis
White to move — find the best continuation
6. Winning blow: king to g1 (g2)Shuffle Rating 970Analysis
White to move — find the best continuation
7. Attack on the uncastled king: bishop to g7 (h6·7)Shuffle Rating 920Analysis
White to move — find the best continuation
8. Winning blow: rook to f2 (b2)Shuffle Rating 970Analysis
White to move — find the best continuation
9. Winning blow: knight to f4 (h5)Shuffle Rating 920Analysis
White to move — find the best continuation
10. Winning blow: king to c2 (b1·3)Shuffle Rating 970Analysis
White to move — find the best continuation

Core set

11. Winning blow: rook to f8 (f1·6)Shuffle Rating 1150Analysis
White to move — find the best continuation
12. Winning blow: pawn to f5 (e4·10)Shuffle Rating 1200Analysis
White to move — find the best continuation
13. Winning blow: knight to b5 (d6·5)Shuffle Rating 1200Analysis
White to move — find the best continuation
14. Winning blow: rook to f8 (f7·3)Shuffle Rating 1200Analysis
White to move — find the best continuation
15. Winning blow: queen to b5 (g5)Shuffle Rating 1060Analysis
White to move — find the best continuation
16. Winning blow: rook to a2 (a1)Shuffle Rating 1200Analysis
White to move — find the best continuation
17. Winning blow: pawn to b5 (a4·10)Shuffle Rating 1200Analysis
White to move — find the best continuation
18. Winning blow: bishop to d5 (e4·4)Shuffle Rating 1200Analysis
White to move — find the best continuation
19. Winning blow: queen to a7 (a8)Shuffle Rating 1200Analysis
White to move — find the best continuation
20. Attack on the uncastled king: bishop to b5 (e2·8)Shuffle Rating 1200Analysis
White to move — find the best continuation
21. Winning blow: king to d3 (e2·6)Shuffle Rating 1200Analysis
White to move — find the best continuation
22. Mate in 2: queen to g7 (b2)Shuffle Rating 1220Analysis
White to move — find the best continuation
23. Mate in 2: bishop to d6 (b4)Shuffle Rating 1220Analysis
White to move — find the best continuation
24. Mate in 2: knight to f8Shuffle Rating 1220Analysis
White to move — find the best continuation
25. Winning blow: rook to g3 (e3·3)Shuffle Rating 1200Analysis
White to move — find the best continuation

Challenge

26. Winning blow: rook to f4 (f1·9)Shuffle Rating 1290Analysis
White to move — find the best continuation
27. Attack on the uncastled king: pawn to b4 (b2·3)Shuffle Rating 1390Analysis
White to move — find the best continuation
28. Castling-960 to the rescue on a1 (d1·15)Shuffle Rating 1480Analysis
White to move — find the best continuation

Review

29. Mate in 2: queen to c8 (c2)Shuffle Rating 1320Analysis
White to move — find the best continuation
30. Winning blow: pawn to c7 (d6·5)Shuffle Rating 1200Analysis
White to move — find the best continuation

Day complete — every puzzle solved. See you tomorrow!

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