Chess puzzle (Checkmate)
Moves: 1. c4 d5 2. cxd5 Qxd5 3. Nc3 Qd8 4. g3 Nf6 5. Bg2 Nc6 6. Nf3 e6 7. d3 Bd6 8.
O-O O-O 9. e4 e5 10. Bg5 h6 11. Bxf6 Qxf6 12. Nd5 Qg6 13. Nh4 Qg4 14. f3 Qg5
15. f4 exf4 16. Nxf4 Bxf4 17. Rxf4 Qc5+ 18. Kh1 g5 19. Rg4 Bxg4 20. Qxg4 Ne5
21. Qh5 gxh4 22. gxh4 Nxd3 23. Qxh6 Nf2+ 24. Kg1 Nh3+ 25. Kh1 Qg1+ 26. Rxg1 *
Position (FEN): r4rk1/ppp2p2/7Q/8/4P2P/7n/PP4BP/6RK b - - 0 26
Black to move.
Themes:  Endgame Mate in 1, Smothered Mate 
Puzzle rating: 876
Best move: Nf2#