Chess puzzle (Checkmate)
Moves: 1. d4 f5 2. e4 fxe4 3. Qh5+ g6 4. Be2 Nf6 5. Qh3 d5 6. Qe3 Bg7 7. c4 c6 8. Nc3
O-O 9. f3 exf3 10. Nxf3 Bg4 11. O-O Nbd7 12. h3 Bxf3 13. Qe6+ Kh8 14. Rxf3 Nb6
15. cxd5 Nbxd5 16. Nxd5 Nxd5 17. Rg3 Bxd4+ 18. Kh1 Qd6 19. Qg4 Nf6 20. Qh4 Qe5
21. Rxg6 Qxe2 22. Qh6 Qe1+ 23. Kh2 Be5+ 24. Bf4 Bxf4+ 25. Qxf4 Qxa1 26. Qh6
Qxb2 *
Position (FEN): r4r1k/pp2p2p/2p2nRQ/8/8/7P/Pq4PK/8 w - - 0 27
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 866
Best move: Qg7#