Chess puzzle (Checkmate)
Moves: 1. d4 c5 2. dxc5 e5 3. b4 Nc6 4. c3 a6 5. Nd2 Nf6 6. e4 d5 7. exd5 Nxd5 8. Ne4
Bf5 9. Nd6+ Bxd6 10. Qxd5 Bc7 11. Qxd8+ Rxd8 12. Ne2 Bc2 13. Be3 O-O 14. g3 a5
15. b5 Ne7 16. Bg2 e4 17. O-O Bd3 18. Rfe1 Bxb5 19. Bxe4 Rfe8 20. Nd4 Ba6 21.
Bg5 f6 22. Be3 b6 23. Ne6 Rc8 24. Nxc7 Rxc7 25. cxb6 Rxc3 26. b7 Nc6 27. Bxc6
Rxc6 28. Rab1 Bxb7 29. Rxb7 Rc2 30. Reb1 Rxa2 31. Rb8 Rxb8 32. Rxb8+ Kf7 33.
Bc5 a4 34. Kg2 Ra1 35. Kf3 a3 36. Rb7+ Kg6 37. Ra7 a2 38. Ke3 Kf5 39. Kd3 Ke5
40. Kc3 Kd5 41. Bb4 Kc6 42. Kb3 Rb1+ 43. Ka3 *
Position (FEN): 8/R5pp/2k2p2/8/1B6/K5P1/p4P1P/1r6 b - - 11 43
Black to move.
Themes: Advanced Pawn Endgame Mate in 1 Promotion
Puzzle rating: 1096
Best move: a1=Q#