Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. Nc3 d5 3. d4 Nf6 4. exd5 exd5 5. Nf3 Bb4 6. Bd2 Qe7+ 7. Qe2 Nc6 8.
Qxe7+ Nxe7 9. Nb5 Bxd2+ 10. Kxd2 Kd8 11. Ne5 Be6 12. Bd3 Ne4+ 13. Bxe4 dxe4 14.
Rhe1 f6 15. d5 Nxd5 16. Nc4 f5 17. Ne3 c6 18. Nxd5 Bxd5 19. Nd4 g6 20. b3 Kc7
21. c4 Bf7 22. g4 Rad8 23. Kc3 Rhe8 24. gxf5 gxf5 25. Nxf5 Rd3+ 26. Kb4 c5+ 27.
Kxc5 Re5+ 28. Kb4 Rxf5 29. Rxe4 Rxf2 30. Rg1 Rxa2 31. Rg7 Kc6 32. Rxf7 *
Position (FEN): 8/pp3R1p/2k5/8/1KP1R3/1P1r4/r6P/8 b - - 0 32
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1037
Best move: a5#