Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. Nc3 c5 3. Nf3 a6 4. d4 b5 5. Be2 Bb7 6. d5 d6 7. O-O e5 8. h3 Nd7
9. Nh2 Ngf6 10. f4 Be7 11. Bf3 O-O 12. f5 h6 13. Ng4 Nxg4 14. Bxg4 Nf6 15. Bf3
Qb6 16. Kh1 Rac8 17. Be3 Qc7 18. Qd2 Kh7 19. g4 Ng8 20. g5 Bxg5 21. Bxg5 hxg5
22. Qxg5 Qe7 23. Qh5+ Nh6 24. Bg4 Qf6 25. Rg1 Rh8 26. Be2 Kg8 27. Qf3 Kf8 28.
a4 b4 29. Na2 a5 30. c3 b3 31. Nc1 c4 32. Qf1 Ba6 33. Nxb3 Qh4 34. Nd2 Rb8 35.
Rb1 Rb3 36. Nxb3 cxb3 37. Bxa6 Qxe4+ 38. Qg2 Qxf5 39. Qxg7+ Ke7 40. Qxh8 *
Position (FEN): 7Q/4kp2/B2p3n/p2Ppq2/P7/1pP4P/1P6/1R4RK b - - 0 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1418
Best move: Qxh3#