Chess puzzle (Advantage)
Moves: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. a3 Be7 5. Bf4 O-O 6. e3 Nbd7 7. Nf3 dxc4 8.
Bxc4 b6 9. O-O Bb7 10. Nd2 c5 11. Ne2 cxd4 12. Nxd4 Rc8 13. Rc1 Ne4 14. f3 Nxd2
15. Qxd2 Nf6 16. Bg3 a6 17. Rfd1 b5 18. Bd3 Rxc1 19. Rxc1 Nd5 20. e4 *
Position (FEN): 3q1rk1/1b2bppp/p3p3/1p1n4/3NP3/P2B1PB1/1P1Q2PP/2R3K1 b - - 0 20
Black to move.
Themes:  Middlegame  
Puzzle rating: 1682
Best move: Bg5