Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Chigorin_Defense
Moves: 1. d4 d5 2. c4 Nc6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 Be7 6. Bxf6 Bxf6 7. cxd5 exd5 8.
h3 Be6 9. e3 O-O 10. Bd3 Ne7 11. O-O Ng6 12. Qc2 Qd7 13. Nh2 c6 14. f4 Nh4 15.
g3 Bxh3 16. Rf2 Nf5 17. g4 Nxe3 18. Qe2 Ng2 *
Position (FEN): r4rk1/pp1q1ppp/2p2b2/3p4/3P1PP1/2NB3b/PP2QRnN/R5K1 w - - 2 19
White to move.
Themes:  Middlegame  
Puzzle rating: 2238
Best move: Qf3