Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. f4 Nc6 3. Nf3 exf4 4. d4 Nf6 5. e5 Nd5 6. c4 Nb6 7. Bxf4 Bb4+ 8.
Bd2 d6 9. a3 Bxd2+ 10. Nbxd2 Bg4 11. Be2 Qd7 12. O-O Bxf3 13. Nxf3 O-O-O 14. d5
Ne7 15. a4 Kb8 16. a5 Nbc8 17. b4 Nf5 18. Qd3 Rhe8 19. Nd4 Nxd4 20. Qxd4 dxe5
21. Qe4 g6 22. b5 Nd6 23. Qc2 e4 24. Rad1 f5 25. c5 Nf7 26. c6 bxc6 27. bxc6
Qd6 28. Qb3+ Ka8 *
Position (FEN): k2rr3/p1p2n1p/2Pq2p1/P2P1p2/4p3/1Q6/4B1PP/3R1RK1 w - - 3 29
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 800
Best move: Qb7#