Chess puzzle (Checkmate)
Moves: 1. e4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. Bc4 Bd6 5. d3 O-O 6. Bg5 Be7 7. Qd2 h6 8.
Bxh6 gxh6 9. Qxh6 Bb4 10. h4 Bxc3+ 11. bxc3 Ne7 12. Rh3 d5 13. Rg3+ Ng6 14.
Rxg6+ fxg6 15. Qxg6+ Kh8 16. exd5 Nxd5 17. Ng5 Nf6 18. Nf7+ Rxf7 19. Bxf7 Qe7
20. Qh6+ Nh7 21. Bd5 c6 22. Be4 Qg7 23. Qd6 Bd7 24. O-O-O Rf8 25. g4 Bxg4 26.
Rg1 Rf6 27. Qxe5 Qh6+ 28. Kb1 Be6 29. Rg6 Qxh4 30. Qc7 Rf7 31. Qe5+ Rf6 32.
Qb8+ Nf8 33. Rg1 Qxf2 34. Rh1+ Kg7 35. Qxb7+ Rf7 36. Qxc6 Qb6+ 37. Qxb6 axb6
38. Rg1+ Kh6 39. Ka1 Ra7 40. Rb1 *
Position (FEN): 5n2/r7/1p2b2k/8/4B3/2PP4/P1P5/KR6 b - - 5 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1184
Best move: Rxa2#