Chess puzzle (Crushing)
Moves: 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Nf3 Nf6 5. h3 Nc6 6. d4 b6 7. Be3 Bb7 8.
Be2 O-O-O 9. O-O h6 10. Nb5 Qd7 11. c4 a6 12. Nc3 g5 13. Nh2 Nxd4 14. Ng4 Nxe2+
15. Qxe2 Qc6 16. f3 Nxg4 17. fxg4 e5 18. Nd5 Kb8 19. Rxf7 Bc5 20. Rxc7 Bxe3+
21. Qxe3 Qd6 22. Rxb7+ Kxb7 23. Qe4 Qc5+ 24. Kh1 Ka7 25. Rf1 Rhf8 26. Qh7+ Kb8
27. Rxf8 Rxf8 28. Qxh6 Rf1+ 29. Kh2 Qg1+ 30. Kg3 Qf2+ 31. Kh2 Qc5 32. Qxg5 Qd6
33. Qe3 e4+ 34. g3 Rf3 35. Qe1 Qe5 36. Nc3 e3 37. Ne2 Rf2+ 38. Kg1 Qxb2 39. Nf4
Qd2 40. Qxd2 Rxd2 41. Kf1 Rxa2 42. g5 Kc7 43. g6 Rd2 44. h4 a5 45. h5 a4 46. h6
a3 47. h7 Rd8 48. g7 a2 49. h8=Q *
Position (FEN): 3r3Q/2k3P1/1p6/8/2P2N2/4p1P1/p7/5K2 b - - 0 49
Black to move.
Themes: Advanced Pawn Endgame  Promotion
Puzzle rating: 1549
Best move: a1=Q+