Chess puzzle (Advantage)
Moves: 1. b4 e5 2. Bb2 Qf6 3. a3 d6 4. e3 Bf5 5. Qf3 c6 6. e4 Bg6 7. Qxf6 Nxf6 8. d3
Be7 9. Be2 Nbd7 10. Nf3 O-O 11. O-O c5 12. Nh4 cxb4 13. Nxg6 fxg6 14. axb4 b6
15. c3 a5 16. bxa5 bxa5 17. Nd2 Nc5 18. Nc4 Nb3 19. Ra3 a4 20. Bd1 d5 21. Bxb3
dxc4 22. Bxa4 *
Position (FEN): r4rk1/4b1pp/5np1/4p3/B1p1P3/R1PP4/1B3PPP/5RK1 b - - 0 22
Black to move.
Themes:  Middlegame  
Puzzle rating: 981
Best move: Bxa3