Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Semi-Tarrasch_Defense
Moves: 1. d4 Nf6 2. c4 d5 3. Nc3 e6 4. Bg5 c5 5. Nf3 Nc6 6. e3 cxd4 7. Nxd4 Be7 8.
cxd5 Nxd5 9. Bxe7 Ncxe7 10. Qc2 O-O 11. Ncb5 a6 12. Nc3 e5 13. Nf3 Bf5 14. e4
Bg6 15. Nxd5 Nxd5 16. Qb3 Qa5+ 17. Nd2 Bxe4 18. Bc4 Bxg2 19. Rg1 Bf3 *
Position (FEN): r4rk1/1p3ppp/p7/q2np3/2B5/1Q3b2/PP1N1P1P/R3K1R1 w Q - 2 20
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1595
Best move: Qxf3