Chess puzzle (Checkmate)
Moves: 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 b5 6. f3 Nbd7 7. h4 Bb7 8. g4 h5
9. g5 Nh7 10. f4 Bg7 11. Bh3 b4 12. Nd1 c5 13. Nf2 Qc7 14. Ne2 O-O 15. f5 cxd4
16. Nxd4 Ne5 17. b3 Nf3+ 18. Nxf3 Bc3 19. O-O-O Bxd2+ 20. Rxd2 Rac8 21. Bd4 Qa5
22. Kb1 Rc6 23. Re1 Ra6 24. a4 bxa3 25. Ka2 Rc8 26. Re3 Qxd2 27. Nxd2 Rxc2+ 28.
Ka1 Rxd2 29. Rd3 Rxd3 30. Nxd3 Bxe4 31. Nb4 Ra5 32. fxg6 fxg6 33. Be6+ Kf8 34.
Ka2 Bf5 35. Bc4 Bd7 36. Nd5 e6 37. Nf4 Kf7 38. b4 Rf5 39. Nd3 Rf3 40. Bxa7 Rh3
41. Kxa3 d5 42. Ba6 e5 43. Kb2 e4 44. Ne5+ Ke6 45. Nxd7 Kxd7 46. b5 Rh2+ 47.
Kc3 Nf8 48. b6 Ne6 49. b7 Rh3+ 50. Kb4 Nd4 51. Bb5+ Kc7 *
Position (FEN): 8/BPk5/6p1/1B1p2Pp/1K1np2P/7r/8/8 w - - 5 52
White to move.
Themes: Advanced Pawn Endgame Mate in 1 Promotion
Puzzle rating: 1389
Best move: b8=Q#