Chess puzzle (Advantage)
Moves: 1. d4 d5 2. c4 dxc4 3. Nc3 Nf6 4. e4 e6 5. Bxc4 Be7 6. Nge2 O-O 7. O-O a6 8. a3
Nc6 9. b4 h6 10. Be3 Bd7 11. Ng3 e5 12. d5 Nb8 13. f4 exf4 14. Bxf4 Bg4 15. Qd2
Nh5 16. Nxh5 Bxh5 17. Bxh6 gxh6 18. Qxh6 Bg6 19. Rf3 Bg5 20. Qh3 Qd7 *
Position (FEN): rn3rk1/1ppq1p2/p5b1/3P2b1/1PB1P3/P1N2R1Q/6PP/R5K1 w - - 5 21
White to move.
Themes:  Middlegame  
Puzzle rating: 1960
Best move: Qg3