Chess puzzle (Advantage)
Moves: 1. d4 d5 2. c4 c6 3. e3 e6 4. Nc3 dxc4 5. Bxc4 b5 6. Bd3 Nf6 7. Nf3 Bd6 8. O-O
Bb7 9. e4 Bb4 10. e5 Bxc3 11. bxc3 Nd5 12. Bb2 O-O 13. Qc2 h6 14. Rab1 Nf4 15.
Be4 Ba6 16. Rfe1 Nd5 17. Ba3 Re8 18. Bc5 Nd7 19. Bxd5 cxd5 20. Bd6 Rc8 21. Rec1
Nb6 22. Nd2 f5 23. Nb3 Nc4 24. Nc5 Na3 25. Qb3 Nxb1 26. Rxb1 Rc6 27. a4 bxa4 *
Position (FEN): 3qr1k1/p5p1/b1rBp2p/2NpPp2/p2P4/1QP5/5PPP/1R4K1 w - - 0 28
White to move.
Themes:  Middlegame  
Puzzle rating: 1573
Best move: Qxa4