Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. d4 exd4 3. c3 Nf6 4. e5 Qe7 5. Nf3 Nc6 6. cxd4 d6 7. Bb5 Bd7 8. O-O
dxe5 9. Bxc6 Bxc6 10. Nxe5 Bd5 11. Qa4+ c6 12. Bg5 g6 13. Nc3 b5 14. Nxb5 Qb7
15. Bxf6 cxb5 16. Qc2 Bxg2 17. Rfe1 Be7 18. Bxh8 Bh3 19. Nc6 Kf8 20. Rxe7 Qc8
21. Qe4 f5 22. Qe5 Qxc6 23. Qe6 *
Position (FEN): r4k1B/p3R2p/2q1Q1p1/1p3p2/3P4/7b/PP3P1P/R5K1 b - - 1 23
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1016
Best move: Qg2#