Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. Nc3 e5 8.
Qd3 h6 9. Nd2 Nf6 10. Nc4 Nxe4 11. Nxe4 d5 12. Qc3 dxe4 13. Qxe5+ Be7 14. Qxg7
Bf6 15. Qg3 Qd5 16. Ne3 Qb5 17. a4 Qb4+ 18. Bd2 Qxb2 19. O-O O-O-O 20. Ba5 Rdg8
*
Position (FEN): 2k3rr/pp3p2/2b2b1p/B7/P3p3/4N1Q1/1qP2PPP/R4RK1 w - - 4 21
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1166
Best move: Qc7#