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Day 993: Winning blow

Lesson of the day

A winning blow is a forced material gain that does not fit a single textbook motif. The general tactical recipe applies: spot loose pieces, an awkwardly placed king, overloaded lines. Go through the forcing moves in order of violence — checks, captures, threats — because most combinations start with one of them. Do not judge by feel: calculate the concrete line until the outcome is beyond doubt.

Warm-up

1. Attack on the uncastled king: knight to f2 (h1·2)Shuffle Rating 970Analysis
White to move — find the best continuation
2. Winning blow: king to a2 (a1·3)Shuffle Rating 970Analysis
White to move — find the best continuation
3. Attack on the uncastled king: rook to c3 (b3)Shuffle Rating 970Analysis
White to move — find the best continuation
4. Winning blow: rook to g2 (g1·4)Shuffle Rating 970Analysis
White to move — find the best continuation
5. Winning blow: king to c1 (c2·3)Shuffle Rating 970Analysis
White to move — find the best continuation
6. Winning blow: king to b2 (c1·14)Shuffle Rating 970Analysis
White to move — find the best continuation
7. Winning blow: king to a1 (b1·9)Shuffle Rating 970Analysis
White to move — find the best continuation
8. Winning blow: king to a1 (b1·10)Shuffle Rating 970Analysis
White to move — find the best continuation
9. Winning blow: bishop to g3 (e1)Shuffle Rating 970Analysis
White to move — find the best continuation
10. Winning blow: pawn to f4 (f3·2)Shuffle Rating 970Analysis
White to move — find the best continuation

Core set

11. Winning blow: king to h2 (g3)Shuffle Rating 970Analysis
White to move — find the best continuation
12. Winning blow: king to d1 (c1·5)Shuffle Rating 970Analysis
White to move — find the best continuation
13. Winning blow: king to d2 (c1·10)Shuffle Rating 970Analysis
White to move — find the best continuation
14. Winning blow: king to a1 (b1·11)Shuffle Rating 970Analysis
White to move — find the best continuation
15. Winning blow: king to e1 (f1·11)Shuffle Rating 970Analysis
White to move — find the best continuation
16. Winning blow: king to h1 (g1·12)Shuffle Rating 970Analysis
White to move — find the best continuation
17. Winning blow: king to b1 (c1·10)Shuffle Rating 970Analysis
White to move — find the best continuation
18. Winning blow: bishop to c1 (b2)Shuffle Rating 970Analysis
White to move — find the best continuation
19. Winning blow: king to f2 (e1·6)Shuffle Rating 970Analysis
White to move — find the best continuation
20. Winning blow: king to c1 (b1·6)Shuffle Rating 970Analysis
White to move — find the best continuation
21. Winning blow: king to f1 (e1·7)Shuffle Rating 970Analysis
White to move — find the best continuation
22. Attack on the uncastled king: king to f2 (e2·3)Shuffle Rating 970Analysis
White to move — find the best continuation
23. Winning blow: king to c2 (d1·6)Shuffle Rating 970Analysis
White to move — find the best continuation
24. Winning blow: king to f2 (f1·9)Shuffle Rating 970Analysis
White to move — find the best continuation
25. Winning blow: king to a2 (b1·11)Shuffle Rating 970Analysis
White to move — find the best continuation

Challenge

26. Attack on the uncastled king: king to h1 (g1·2)Shuffle Rating 970Analysis
White to move — find the best continuation
27. Winning blow: bishop to e3 (a7)Shuffle Rating 970Analysis
White to move — find the best continuation
28. Winning blow: king to e1 (d1·7)Shuffle Rating 970Analysis
White to move — find the best continuation

Review

29. Winning blow: king to e1 (d1·8)Shuffle Rating 970Analysis
White to move — find the best continuation
30. Winning blow: king to d2 (d1·4)Shuffle Rating 970Analysis
White to move — find the best continuation

Day complete — every puzzle solved. See you tomorrow!

Day 994 →