Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nc3 Nf6 3. Bf4 Bf5 4. e3 e6 5. Nb5 Bd6 6. Nxd6+ cxd6 7. h3 Ne4 8.
c3 Qa5 9. Qb3 h6 10. Bb5+ Nc6 11. f3 Nf6 12. Bxd6 Qd8 13. Be5 a6 14. Bxc6+ bxc6
15. Qa3 Bd3 16. Ne2 Nd7 17. Bh2 Qg5 18. Nf4 Bb5 19. O-O-O Nb6 20. b3 e5 21.
dxe5 Qxe5 22. Qc5 Nd7 23. Qd4 O-O 24. Qd2 g5 25. Ng6 Qf6 26. Nxf8 Kxf8 27. Qd4
Qe6 28. e4 Qd6 29. Qh8+ Ke7 30. Qxa8 Qa3+ 31. Kb1 Nc5 32. exd5 Bd3+ 33. Ka1 *
Position (FEN): Q7/4kp2/p1p4p/2nP2p1/8/qPPb1P1P/P5PB/K2R3R b - - 2 33
Black to move.
Themes: Pin Middlegame Mate in 1 
Puzzle rating: 868
Best move: Nxb3#