Chess puzzle (Crushing)
Moves: 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 Be7 6. O-O O-O 7. c3 c6 8. Bf4
Bg4 9. h3 Bh5 10. Nbd2 Bd6 11. Bg5 Nbd7 12. Re1 Qc7 13. Qc2 Bg6 14. Bxg6 hxg6
15. c4 Bf4 16. Bxf4 Qxf4 17. Rac1 Rfe8 18. b3 Rxe1+ 19. Rxe1 Re8 20. Rxe8+ Nxe8
21. cxd5 cxd5 22. Qc8 Nf6 23. Qxb7 g5 24. Qxa7 g4 25. hxg4 Nxg4 26. a4 Nef6 27.
a5 Ne4 28. Qa8+ Kh7 29. Qxd5 Nxd2 30. Ng5+ Kg6 31. Qxf7+ Qxf7 32. Nxf7 Kxf7 *
Position (FEN): 8/5kp1/8/P7/3P2n1/1P6/3n1PP1/6K1 w - - 0 33
White to move.
Themes:  Endgame, Knight Endgame  
Puzzle rating: 1150
Best move: a6