Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. Bxc6+ bxc6 5. O-O Nf6 6. Nc3 Be6 7. d3 h6 8.
h3 Be7 9. Nh4 Nh7 10. Nf5 Bg5 11. Nxg7+ Kf8 12. Nxe6+ fxe6 13. Bxg5 Qxg5 14.
Qf3+ Ke7 15. Rad1 Rhg8 16. d4 exd4 17. Rxd4 Raf8 18. Qg3 Qc5 19. Qe3 Qe5 20.
Rd2 Qg7 21. f3 Ng5 22. Ne2 Nxh3+ 23. Kh2 *
Position (FEN): 5rr1/p1p1k1q1/2ppp2p/8/4P3/4QP1n/PPPRN1PK/5R2 b - - 1 23
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 693
Best move: Qxg2#