Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bc4 Nxe4 5. Nxe4 d5 6. Bb5 dxe4 7. Nxe5 Qg5
8. Nxc6 Qxb5 9. Nd4 Qb6 10. Nb3 Bf5 11. Qe2 O-O-O 12. O-O g5 13. Rd1 h5 14. h3
g4 15. h4 g3 16. d4 Bg4 17. f3 exf3 18. gxf3 Bf5 19. Bf4 Rg8 20. c3 Bd6 21.
Bxd6 Qxd6 22. Qe5 Qg6 23. Re1 Bh3 24. Nc5 Qb6 25. b4 Qc6 26. Qe4 Qh6 *
Position (FEN): 2kr2r1/ppp2p2/7q/2N4p/1P1PQ2P/2P2Ppb/P7/R3R1K1 w - - 3 27
White to move.
Themes: Queenside Attack Middlegame Mate in 1 
Puzzle rating: 1291
Best move: Qxb7#