Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Veresov
Moves: 1. d4 Nf6 2. Nc3 d5 3. f3 c5 4. dxc5 e5 5. Bg5 Be7 6. Bxf6 Bxf6 7. Nxd5 O-O 8.
b4 a5 9. b5 Nd7 10. c6 Nb6 11. e4 bxc6 12. bxc6 Nxd5 13. exd5 e4 14. Bc4 Re8
15. Kf1 Bxa1 16. Qxa1 exf3 17. Nxf3 Rb8 18. a3 Qf6 *
Position (FEN): 1rb1r1k1/5ppp/2P2q2/p2P4/2B5/P4N2/2P3PP/Q4K1R w - - 1 19
White to move.
Themes:  Middlegame  
Puzzle rating: 1019
Best move: Qxf6