Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d5 5. e3 Nbd7 6. Bd3 O-O 7. O-O c6 8. h3
Qc7 9. Rb1 e5 10. dxe5 Nxe5 11. Nxe5 Qxe5 12. Re1 Qd6 13. cxd5 Nxd5 14. Ne4 Qc7
15. Bd2 Bd7 16. Nc5 Rfd8 17. e4 Ne7 18. Ba5 b6 19. Nxd7 Rxd7 20. Bc3 Rad8 21.
Re3 c5 22. Bxg7 Kxg7 23. Qb3 Rd4 24. Rf3 c4 25. Qc3 b5 26. Rd1 b4 27. Qc2 Qa5
28. Be2 Rxd1+ 29. Bxd1 Qxa2 30. b3 Qa1 31. Qxc4 Rxd1+ 32. Kh2 Qe5+ 33. g3 Qe6
34. Qxb4 Nc6 35. Qc3+ Kg8 36. Rf6 Qxe4 37. Rxc6 *
Position (FEN): 6k1/p4p1p/2R3p1/8/4q3/1PQ3PP/5P1K/3r4 b - - 0 37
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1193
Best move: Qh1#