Chess puzzle (Checkmate)
Moves: 1. e4 d6 2. Nc3 Nf6 3. d4 g6 4. Bd3 Bg7 5. Nge2 O-O 6. O-O c6 7. f4 e5 8. fxe5
dxe5 9. Bg5 exd4 10. e5 dxc3 11. exf6 Re8 12. Nxc3 Bf8 13. Qd2 Qb6+ 14. Kh1
Qxb2 15. Bh6 Qa3 16. Rf3 Be6 17. Rg3 Bd6 18. Bf4 Nd7 19. Ne4 Bf8 20. Bc4 Qb2
21. Re1 Nxf6 22. Nxf6+ Qxf6 23. Be5 Qe7 24. Bb2 Bg7 25. Bxg7 Kxg7 26. Rge3 Rad8
27. Qc3+ Qf6 28. Qb4 Bxc4 29. Rxe8 Rxe8 30. Rxe8 *
Position (FEN): 4R3/pp3pkp/2p2qp1/8/1Qb5/8/P1P3PP/7K b - - 0 30
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 502
Best move: Qf1#