Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bf4 Nbd7 6. e3 dxc4 7. Bxc4 b5 8. Bb3
Bb7 9. O-O Be7 10. Bc2 O-O 11. Qd3 a6 12. Ng5 h6 13. Nf3 c5 14. dxc5 Nxc5 15.
Qe2 Qb6 16. Be5 Nd5 17. Nxd5 Bxd5 18. Bd4 Bc4 19. Bxc5 Bxc5 20. Bd3 Bd5 21. Ne5
Qd6 22. Nf3 Bxf3 23. gxf3 e5 24. Be4 Rae8 25. Kh1 f5 26. Bc2 e4 27. fxe4 fxe4
28. Rg1 Qe5 29. Bb3+ Kh8 30. Rg2 Rf5 31. Rag1 Bd6 32. Qg4 Rg5 33. Qh3 Rh5 34.
Qg3 Qf6 35. Qg4 Rg5 36. Qh3 Rxg2 37. Qxg2 g5 38. Bd5 Qf5 39. Bc6 Re7 40. Rd1
Qe5 41. Qh3 Kg7 42. Qg4 *
Position (FEN): 8/4r1k1/p1Bb3p/1p2q1p1/4p1Q1/4P3/PP3P1P/3R3K b - - 9 42
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 776
Best move: Qxh2#