Chess puzzle (Checkmate)
Moves: 1. d4 e6 2. Bf4 d5 3. Nf3 Nf6 4. e3 Bd6 5. Ne5 O-O 6. Nd2 c5 7. c3 cxd4 8. exd4
Nc6 9. Ndf3 a6 10. Bd3 Be7 11. O-O Nd7 12. Qc2 h6 13. Rfe1 Ncxe5 14. Bxe5 Nxe5
15. Nxe5 Bf6 16. f4 Bd7 17. Re3 Qe8 18. Rae1 Bb5 19. Bh7+ Kh8 20. g4 g6 21.
Bxg6 fxg6 22. Nxg6+ Kg7 23. Nxf8 Qxf8 24. Rxe6 Re8 25. g5 hxg5 26. fxg5 Rxe6
27. Rxe6 Bxd4+ 28. cxd4 *
Position (FEN): 5q2/1p4k1/p3R3/1b1p2P1/3P4/8/PPQ4P/6K1 b - - 0 28
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 436
Best move: Qf1#