Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 c6 6. e3 O-O 7. Bd3 Nbd7 8. O-O
h6 9. Bh4 g5 10. Bg3 Nh5 11. cxd5 cxd5 12. Be5 Nxe5 13. Nxe5 Nf6 14. Rc1 Kg7
15. f4 Nd7 16. fxg5 Bxg5 17. Qg4 f5 18. Qg3 Kh7 19. h4 Nxe5 20. Qxe5 Bxh4 21.
Rf3 Bg5 22. Rcf1 Bd7 23. Nb5 Bf6 24. Qf4 Rg8 25. Rh3 Bg5 26. Qe5 a6 27. Nd6 Rg6
28. Nf7 Qf8 29. Nxg5+ Rxg5 30. Rff3 Qg8 31. Rh2 Qg6 32. Qd6 Qg7 33. Rfh3 Rg6
34. Qf4 Rg8 35. Kh1 b5 36. g4 a5 37. gxf5 *
Position (FEN): 6r1/3b2qk/4p1rp/pp1p1P2/3P1Q2/3BP2R/PP5R/7K b - - 0 37
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 829
Best move: Rg1#