Chess puzzle (Crushing)
Moves: 1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Bd6 5. Be2 Ne7 6. O-O O-O 7. Be3 Nd7 8.
b3 c5 9. c4 cxd4 10. Bxd4 Bc5 11. Nc3 dxc4 12. Bxc4 Nf5 13. Qd2 Nxd4 14. Nxd4
Nb6 15. Rad1 Nxc4 16. bxc4 Qf6 17. Ne4 Qe5 18. Nxc5 Qxc5 19. Qc3 Bg4 20. Rd3
Rad8 21. Nb3 Rxd3 22. Qxd3 Qe7 23. f3 Bh5 24. Rd1 Bg6 25. Qd2 h6 26. Re1 Qc7
27. c5 Qc6 28. Qd6 Qa4 29. Ra1 Bc2 30. Qd5 *
Position (FEN): 5rk1/pp3pp1/7p/2PQ4/q7/1N3P2/P1b3PP/R5K1 b - - 6 30
Black to move.
Themes:  Endgame  
Puzzle rating: 863
Best move: Bxb3