Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nc6 5. Bb5 Bd7 6. Nc3 Qe7+ 7. Be3 a6 8.
Ba4 Nf6 9. Bb3 Be6 10. O-O h5 11. Re1 O-O-O 12. Bg5 Qd7 13. Ne5 Qe8 14. Ba4 b5
15. Nxb5 axb5 16. Bxb5 Rd6 17. Nxc6 Rxc6 18. Bxc6 Qxc6 19. Bxf6 gxf6 20. c3 f5
21. a4 Bd6 22. a5 Qa6 23. Qb3 Kd7 24. Qd1 Rb8 25. b4 h4 26. Qh5 Be7 27. Re3 Rg8
28. Qd1 Rg4 29. Qa4+ c6 30. h3 Re4 31. Rxe4 fxe4 32. Rb1 Qd3 33. Qb3 e3 34.
fxe3 Qxe3+ 35. Kh1 Bxh3 36. gxh3 Qxh3+ 37. Kg1 Qe3+ 38. Kf1 Qd3+ 39. Ke1 h3 40.
c4 *
Position (FEN): 8/3kbp2/2p5/P2p4/1PPP4/1Q1q3p/8/1R2K3 b - - 0 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1505
Best move: Bh4#