Chess puzzle (Advantage)
Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. Bg5 d5 6. Bxf6 Bxf6 7. Nxd5 Bg7 8.
e3 Bg4 9. Be2 e6 10. Nc3 Nc6 11. h3 Bxf3 12. Bxf3 f5 13. a3 f4 14. O-O fxe3 15.
fxe3 Qg5 16. Qe2 e5 17. d5 Ne7 18. Rfd1 Nf5 19. Re1 Ng3 20. Qd2 *
Position (FEN): r4rk1/ppp3bp/6p1/3Pp1q1/2P5/P1N1PBnP/1P1Q2P1/R3R1K1 b - - 6 20
Black to move.
Themes:  Middlegame  
Puzzle rating: 2533
Best move: e4