Chess puzzle (Checkmate)
Moves: 1. d4 f5 2. c4 Nf6 3. Nf3 e6 4. Nc3 Bb4 5. Bg5 O-O 6. e3 b6 7. Qb3 Nc6 8. d5
Bxc3+ 9. bxc3 Na5 10. Qc2 Ba6 11. dxe6 dxe6 12. Rd1 Qe8 13. Ne5 Ne4 14. Bf4 g5
15. Bg3 Nd6 16. h4 g4 17. f3 Naxc4 18. Nxc4 Nxc4 19. Bxc4 Bxc4 20. Bxc7 Qc6 21.
Bf4 gxf3 22. gxf3 Qxf3 23. Rg1+ Kf7 24. Rd7+ Ke8 25. Rxh7 Rd8 26. Rgg7 *
Position (FEN): 3rkr2/p5RR/1p2p3/5p2/2b2B1P/2P1Pq2/P1Q5/4K3 b - - 2 26
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1385
Best move: Qf1#