Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nf6 3. Bc4 Nxe4 4. Nxe5 d5 5. Qf3 Be6 6. Bb5+ c6 7. Ba4 Bd6 8.
d4 Qa5+ 9. Nc3 Nxc3 10. Qxc3 Qxa4 11. O-O Bxe5 12. dxe5 O-O 13. Be3 Qc4 14. Qd2
Nd7 15. f4 Bf5 16. Rf2 Be4 17. b3 Qa6 18. a4 b6 19. Re1 Qb7 20. c4 Nc5 21. Bxc5
bxc5 22. Qc3 Qb4 23. Qxb4 cxb4 24. cxd5 cxd5 25. g4 a5 26. h4 Rfc8 27. f5 Rc3
28. e6 fxe6 29. fxe6 Re8 30. Rf7 Rxe6 31. Ref1 Rf6 32. R7xf6 gxf6 33. Rxf6 Rxb3
34. Ra6 Rb1+ 35. Kf2 Rh1 36. Rxa5 Rxh4 37. Rb5 Rxg4 38. Rxb4 h5 39. a5 h4 40.
Rb3 Rg7 41. a6 Rh7 42. Rb7 Rh8 43. a7 d4 *
Position (FEN): 6kr/PR6/8/8/3pb2p/8/5K2/8 w - - 0 44
White to move.
Themes: Advanced Pawn Endgame Mate in 1 Promotion
Puzzle rating: 1489
Best move: a8=Q#