Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. d3 d6 5. h3 Nf6 6. Bg5 h6 7. Bh4 Be6 8. O-O
a6 9. Ba4 g5 10. Bg3 Qd7 11. Kh2 O-O-O 12. Ng1 g4 13. h4 h5 14. Nc3 Qe8 15. Nd5
Nxd5 16. exd5 Bxd5 17. c4 Be6 18. Qe2 f5 19. f3 f4 20. Bxf4 exf4 21. Rae1 Qe7
22. Qxe6+ Qxe6 23. Rxe6 g3+ 24. Kh3 Nd4 25. Re4 Nf5 26. Rxf4 Ne3 27. Re1 Rhf8
28. Rxf8 Rxf8 29. a3 Rg8 30. b4 Bd4 31. Ne2 Nf5 32. Bb3 c5 33. Nxd4 Nxd4 34.
Ba2 Nc2 35. Re6 Nd4 36. Rxd6 Ne2 37. Rd5 *
Position (FEN): 2k3r1/1p6/p7/2pR3p/1PP4P/P2P1PpK/B3n1P1/8 b - - 2 37
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1223
Best move: Nf4#