Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 O-O 5. a3 Bxc3+ 6. bxc3 c5 7. e4 h6 8. e5
hxg5 9. exf6 Qxf6 10. Nf3 Nc6 11. h4 g4 12. Ne5 cxd4 13. cxd4 Nxe5 14. dxe5
Qxe5+ 15. Be2 Qc3+ 16. Kf1 g3 17. fxg3 Qxg3 18. Rh3 Qf4+ 19. Rf3 Qxh4 20. Qd3
b6 21. Ra2 Bb7 22. Rh3 Qf4+ 23. Bf3 Bxf3 *
Position (FEN): r4rk1/p2p1pp1/1p2p3/8/2P2q2/P2Q1b1R/R5P1/5K2 w - - 0 24
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 839
Best move: Qh7#