Chess puzzle (Advantage)
Moves: 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Be2 Bf5 6. Nc3 e6 7. Nf3 h6 8. O-O
Be7 9. h3 O-O 10. Bf4 Bd6 11. Be3 Nbd7 12. c5 Bc7 13. Qd2 Kh7 14. Nb5 Bb8 15.
Qb4 a6 16. Nd6 Bxd6 17. cxd6 b5 18. Ne5 Ne4 19. Nc6 Qh4 20. Ne7 Ndf6 21. Nxf5
exf5 22. Rac1 f4 23. Bd2 *
Position (FEN): r4r2/5ppk/p2P1n1p/1p1p4/1Q1Pnp1q/7P/PP1BBPP1/2R2RK1 b - - 1 23
Black to move.
Themes:  Middlegame  
Puzzle rating: 1913
Best move: a5