Chess puzzle (Advantage)
Moves: 1. d4 d5 2. Bf4 h6 3. e3 a6 4. Nf3 Nf6 5. Bd3 e6 6. h3 Nc6 7. O-O Be7 8. c4 O-O
9. cxd5 Nxd5 10. Bh2 Rb8 11. Nc3 Nf6 12. e4 b5 13. e5 Nd5 14. Nxd5 exd5 15. Bc2
a5 16. Qd3 g6 17. Rae1 Bf5 18. Qd2 Bxc2 19. Qxc2 Nb4 20. Qb1 c5 21. a3 Na6 22.
Qd3 c4 23. Qd2 Bg5 24. Nxg5 Qxg5 25. Bf4 Qh5 26. Bxh6 Rfe8 27. Bg5 Nc7 28. Bf6
Ne6 29. Qe3 b4 30. g4 Qh7 31. f4 *
Position (FEN): 1r2r1k1/5p1q/4nBp1/p2pP3/1ppP1PP1/P3Q2P/1P6/4RRK1 b - - 0 31
Black to move.
Themes:  Middlegame  
Puzzle rating: 1673
Best move: bxa3