Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. Qxd4 Nb6 6. f4 Nc6 7. Qf2 d6 8. Nf3
Bg4 9. Bb5 g6 10. O-O Bg7 11. Nd4 Bd7 12. e6 fxe6 13. Nd2 Nxd4 14. Bxd7+ Qxd7
15. cxd4 O-O 16. Nf3 Nd5 17. Bd2 Nxf4 18. Qe3 e5 19. Qb3+ Kh8 20. dxe5 dxe5 21.
Rad1 Qg4 22. g3 Nh3+ 23. Kg2 e4 24. Ng1 Nxg1 25. Kxg1 Qe2 26. Be3 Rad8 27. Rxd8
*
Position (FEN): 3R1r1k/pp2p1bp/6p1/8/4p3/1Q2B1P1/PP2q2P/5RK1 b - - 0 27
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1370
Best move: Qxf1#