Chess puzzle (Checkmate)
Moves: 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. b4 Qxb4 5. Nb5 Qa5 6. Bc4 c6 7. Bxf7+ Kd8
8. Nc3 Nf6 9. Nf3 Bg4 10. h3 Bxf3 11. Qxf3 Nbd7 12. Bb3 e5 13. Bb2 Bd6 14. O-O
Rf8 15. Ne4 Nxe4 16. Qxe4 Kc7 17. Bc3 Qc5 18. Rad1 Rae8 19. Bb2 Nf6 20. Qe3 Qa5
21. Qc3 Qb6 22. d4 e4 23. a4 Kb8 24. a5 Qc7 25. d5 c5 26. Ba3 Qe7 27. Ba4 g5
28. Bxe8 Rxe8 29. Qe3 h6 30. c4 Qe5 31. Rb1 *
Position (FEN): 1k2r3/pp6/3b1n1p/P1pPq1p1/2P1p3/B3Q2P/5PP1/1R3RK1 b - - 2 31
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 520
Best move: Qh2#