Chess puzzle (Crushing)
Moves: 1. e4 e6 2. d3 d5 3. Nd2 Nc6 4. g3 Nf6 5. Ngf3 dxe4 6. dxe4 Bc5 7. Bg2 e5 8.
O-O Bg4 9. Re1 O-O 10. c3 Qe7 11. Qe2 Rfd8 12. Nf1 Rd7 13. Bg5 Rad8 14. h4 h6
15. Bxf6 Qxf6 16. N1h2 h5 17. Rad1 g6 18. Rxd7 Rxd7 19. Nxg4 hxg4 20. Nh2 Qd8
21. Qxg4 Rd2 22. Rf1 Rxb2 23. h5 Qf6 24. hxg6 fxg6 25. Qc8+ Qf8 26. Qxc7 Rxf2
27. Kh1 Rxf1+ 28. Nxf1 Qf2 29. Qc8+ Kf7 30. Qxb7+ Ne7 31. Kh2 g5 32. Qb3+ Kf6
33. Qd1 Qxa2 34. Qf3+ Kg6 35. Ne3 Qe6 36. g4 a5 37. Nf5 Qf7 38. Bf1 a4 39. Bb5
a3 40. Qh3 *
Position (FEN): 8/4nq2/6k1/1Bb1pNp1/4P1P1/p1P4Q/7K/8 b - - 1 40
Black to move.
Themes:  Endgame  
Puzzle rating: 1864
Best move: Qa2+