Chess puzzle (Crushing)
Moves: 1. d4 g6 2. e3 Bg7 3. Nf3 d6 4. c3 Nf6 5. Nbd2 O-O 6. Nb3 Nc6 7. Bd3 a6 8. Bd2
Bg4 9. h3 Bd7 10. Qc2 Re8 11. g4 e5 12. dxe5 Nxe5 13. Nxe5 dxe5 14. O-O-O e4
15. Be2 b5 16. f4 Nd5 17. Nc5 f5 18. Nxd7 Qxd7 19. gxf5 Qxf5 20. Bg4 Qf7 21.
Kb1 c5 22. Rdf1 a5 23. h4 b4 24. c4 Nf6 25. Bh3 a4 26. f5 b3 27. axb3 *
Position (FEN): r3r1k1/5qbp/5np1/2p2P2/p1P1p2P/1P2P2B/1PQB4/1K3R1R b - - 0 27
Black to move.
Themes:  Middlegame  
Puzzle rating: 1006
Best move: axb3