Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. c4 O-O 5. Nc3 d6 6. Nf3 c5 7. dxc5 dxc5 8. Rb1
Bf5 9. Rc1 Ne4 10. Qxd8 Rxd8 11. Nd5 Nc6 12. Nc3 Nxc3 13. bxc3 Rd3 14. Bxd3
Bxd3 15. Nd2 e5 16. Bg3 f5 17. f3 b6 18. a3 Na5 19. Kf2 Nxc4 20. Nxc4 Bxc4 21.
Rhd1 Be6 22. Rd6 Kf7 23. h4 Bf8 24. Rd2 Kf6 25. Rcd1 Be7 26. h5 g5 27. f4 e4
28. fxg5+ Kxg5 29. Rh1 Kh6 30. Bd6 Bxd6 31. Rxd6 Re8 32. Rhd1 Kxh5 33. Kg3 Kg5
34. Rd8 Re7 35. R1d6 Kf6 36. Kf4 Rg7 37. Re8 *
Position (FEN): 4R3/p5rp/1p1Rbk2/2p2p2/4pK2/P1P1P3/6P1/8 b - - 9 37
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 962
Best move: Rg4#