Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. Nc3 d5 3. exd5 exd5 4. d3 Nf6 5. Nf3 Bf5 6. Bg5 Be7 7. Qd2 O-O 8.
Nd4 Bg6 9. Be2 Re8 10. f4 h6 11. f5 Bh7 12. Bxh6 gxh6 13. Qxh6 Bf8 14. Qh3 c5
15. Nf3 d4 16. Ne4 Nxe4 17. dxe4 Qa5+ 18. Kf1 Rxe4 19. Ng5 Rf4+ 20. Kg1 Bxf5
21. Qg3 Qd2 22. Ne6+ Rg4 23. Bxg4 Qe3+ 24. Qxe3 dxe3 25. Bxf5 fxe6 26. Bxe6+
Kg7 27. Re1 Nc6 28. Rxe3 Re8 29. Kf2 c4 30. Bxc4 Bc5 31. Re1 Ne5 32. Kg3 Bxe3
33. Rxe3 Kf6 34. Bd5 b6 35. c4 Re7 36. b4 Rg7+ 37. Kf4 *
Position (FEN): 8/p5r1/1p3k2/3Bn3/1PP2K2/4R3/P5PP/8 b - - 2 37
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1057
Best move: Rg4#