Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Bc4 Bc5 3. Qh5 Qe7 4. Nf3 d6 5. Nc3 c6 6. d3 Nf6 7. Qh4 Bg4 8. Qg3
Nbd7 9. Bg5 h6 10. Bxf6 Nxf6 11. h3 Bxf3 12. Qxf3 a5 13. a3 b5 14. Bb3 a4 15.
Ba2 O-O 16. O-O Rfc8 17. Ne2 Rd8 18. c3 d5 19. exd5 cxd5 20. d4 e4 21. Qe3 Bb6
22. f3 Bc7 23. Nf4 Ra6 24. fxe4 g5 25. Nd3 Nxe4 26. Nc5 Qd6 27. Nxa6 *
Position (FEN): 3r2k1/2b2p2/N2q3p/1p1p2p1/p2Pn3/P1P1Q2P/BP4P1/R4RK1 b - - 0 27
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 601
Best move: Qh2#