Chess puzzle (Crushing)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. a3 Nf6 5. Nc3 Bc5 6. d3 d6 7. h3 Be6 8. Nd5 a6
9. O-O Ba7 10. Be3 O-O 11. Bxa7 Nxa7 12. c3 a5 13. Nxf6+ Qxf6 14. Bxe6 fxe6 15.
d4 exd4 16. cxd4 Nc6 17. Qb3 Rab8 18. Rad1 Kh8 19. Rfe1 Ne7 20. Qc3 c6 21. Qxa5
Ng6 22. e5 dxe5 23. dxe5 Qf5 24. Rd4 Nf4 25. Qc3 Rf7 26. Nh4 Nxh3+ 27. Kh2 Qxf2
28. Kxh3 g5 29. Ng6+ Kh7 30. Re3 Qf5+ 31. g4 *
Position (FEN): 1r6/1p3r1k/2p1p1Np/4Pqp1/3R2P1/P1Q1R2K/1P6/8 b - - 0 31
Black to move.
Themes:  Middlegame  
Puzzle rating: 1528
Best move: Qf1+