Chess puzzle (Checkmate)
Moves: 1. d4 e6 2. Nf3 c5 3. e3 Nf6 4. Bd3 Nc6 5. O-O d5 6. c4 cxd4 7. exd4 Be7 8. Re1
O-O 9. a3 a6 10. Nc3 dxc4 11. Bxc4 b5 12. Bb3 Bb7 13. Bf4 h6 14. Bc2 Nd5 15.
Qd3 f5 16. Be5 b4 17. Nxd5 Qxd5 18. Bb3 Qd7 19. d5 exd5 20. Nd4 Nxd4 21. Qxd4
Bf6 22. Bxf6 Rxf6 23. Qxb4 a5 24. Qf4 a4 25. Ba2 g5 26. Qe5 Raf8 27. Rac1 Rd6
28. h4 gxh4 29. Qf4 Qd8 30. Qxa4 Qg5 31. Qb4 Rd7 32. f4 Qg6 33. Re3 Kh7 34.
Qxf8 d4 35. Re7+ Rxe7 36. Qxe7+ Qg7 37. Qxh4 *
Position (FEN): 8/1b4qk/7p/5p2/3p1P1Q/P7/BP4P1/2R3K1 b - - 0 37
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 691
Best move: Qxg2#