Chess puzzle (Checkmate)
Moves: 1. c4 Nc6 2. d4 e5 3. d5 Nb4 4. e4 c6 5. d6 Bxd6 6. Qxd6 Qa5 7. Qd1 d5 8. Bd2
dxc4 9. Bxc4 b5 10. Bd3 Nxd3+ 11. Ke2 Nb4 12. Qb3 c5 13. a3 Be6 14. Qc3 Bc4+
15. Ke3 f5 16. Qxe5+ Ne7 17. Bxb4 cxb4 18. Qxg7 Qb6+ 19. Qd4 Qh6+ 20. f4 O-O
21. e5 Rad8 22. Qxa7 Nd5+ 23. Kf2 Qxf4+ 24. Nf3 Rfe8 25. Re1 Nf6 26. Kg1 Ng4
27. Nbd2 Rxe5 28. Nxe5 *
Position (FEN): 3r2k1/Q6p/8/1p2Np2/1pb2qn1/P7/1P1N2PP/R3R1K1 b - - 0 28
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1644
Best move: Qxh2#