Chess puzzle (Crushing)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. Nc3 Nf6 5. O-O Bc5 6. a4 d6 7. d3 a6 8. Re1
Ng4 9. h3 Nxf2 10. Qe2 Nxd3+ 11. Kh1 Nxe1 12. Qxe1 Nd4 13. Nxd4 Bxd4 14. Ne2
Bc5 15. Qg3 Qf6 16. Nc3 Bd7 17. Nd5 Qd8 18. Qxg7 Rf8 19. Bxh6 Qe7 20. Nxc7+ Kd8
21. Nxa8 d5 22. Bxd5 Bc6 23. Qxf8+ Qxf8 24. Bxf8 Bxf8 25. Bxc6 bxc6 26. Nb6 Kc7
27. a5 Bc5 28. Rf1 Bb4 29. Rxf7+ Kd6 30. Rd7+ Kc5 31. c3 Bxa5 32. Na4+ Kb5 33.
b3 c5 34. Rb7+ Kc6 35. Ra7 Kb5 36. h4 c4 37. h5 cxb3 38. Nb2 Bxc3 39. Nd3 Kc4
40. Rd7 Bd2 41. h6 Bxh6 42. Kg1 Be3+ 43. Kf1 Kc3 44. Ke2 Bd4 45. Rxd4 exd4 46.
g4 a5 47. e5 a4 48. e6 a3 49. e7 a2 50. Nc1 *
Position (FEN): 8/4P3/8/8/3p2P1/1pk5/p3K3/2N5 b - - 1 50
Black to move.
Themes: Advanced Pawn Endgame  Promotion
Puzzle rating: 1481
Best move: a1=Q