Chess puzzle (Checkmate)
Moves: 1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. Nc3 O-O 7. Re1 d5 8. cxd5
exd5 9. d4 Nbd7 10. Bf4 c5 11. dxc5 bxc5 12. Nh4 Nh5 13. Nf5 Nxf4 14. gxf4 Nf6
15. Nxd5 Bxd5 16. Bxd5 Nxd5 17. Qxd5 Bf6 18. Nd6 Bxb2 19. Rab1 Bc3 20. Red1 Qf6
21. Rb7 Qxf4 22. Nxf7 h6 23. Ne5+ Kh7 24. Qd3+ Rf5 25. Rf7 Qxf2+ 26. Kh1 Bxe5
27. Rxf5 *
Position (FEN): r7/p5pk/7p/2p1bR2/8/3Q4/P3Pq1P/3R3K b - - 0 27
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 812
Best move: Qxh2#