Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nc3 e6 3. f4 a5 4. Nf3 Qb6 5. d3 Nc6 6. Be2 Nf6 7. O-O d5 8. e5 c4+
9. Kh1 cxd3 10. Bxd3 Nd7 11. Qe1 Bb4 12. Bd2 Nd4 13. Nxd4 Qxd4 14. Be3 Bxc3 15.
bxc3 Qa4 16. Qg3 g6 17. Rfb1 Qc6 18. Bd4 Qc7 19. Qh4 b6 20. Qh6 Ba6 21. Qg7 Rf8
22. Bb5 Bxb5 23. Rxb5 h5 24. Rab1 Ra6 25. a4 Ke7 26. R1b3 Rb8 27. Be3 Qc4 28.
Bc1 *
Position (FEN): 1r6/3nkpQ1/rp2p1p1/pR1pP2p/P1q2P2/1RP5/2P3PP/2B4K b - - 6 28
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 693
Best move: Qf1#