Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 h6 6. Bh4 c5 7. e3 g5 8. Bg3
Ne4 9. Nd2 Nxc3 10. bxc3 Bxc3 11. h4 Bxa1 12. hxg5 Bc3 13. Rxh6 Qxg5 14. Bf4
Qg7 15. Qh5 Nc6 16. Bd3 cxd4 17. Rh7 Qf6 18. Qg4+ Qg6 19. Bxg6 dxe3 20. Bh6
Bxd2+ 21. Ke2 Ne5 22. Bxf7+ Kxh7 *
Position (FEN): r1b2r2/pp1p1B1k/4p2B/4n3/2P3Q1/4p3/P2bKPP1/8 w - - 0 23
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1231
Best move: Qg7#