Chess puzzle (Advantage)
Moves: 1. e3 e6 2. d4 Ne7 3. Nf3 g6 4. Bd3 Bg7 5. O-O b6 6. e4 d6 7. c3 Nd7 8. Na3 a6
9. b4 Bb7 10. Bb2 O-O 11. c4 d5 12. exd5 exd5 13. Rb1 dxc4 14. Bxc4 b5 15. Bd3
Nd5 16. Be4 c6 17. Bxd5 cxd5 18. Re1 Nf6 19. h3 Ne4 20. Nc2 a5 21. a3 axb4 22.
axb4 Qc7 23. Na3 Qd6 24. Nxb5 Qb6 25. Qd3 *
Position (FEN): r4rk1/1b3pbp/1q4p1/1N1p4/1P1Pn3/3Q1N1P/1B3PP1/1R2R1K1 b - - 2 25
Black to move.
Themes:  Middlegame  
Puzzle rating: 1497
Best move: Ba6