Chess puzzle (Advantage)
Opening: Dutch_Defense, Dutch_Defense_Other_variations
Moves: 1. d4 f5 2. Bf4 e6 3. Nf3 Nc6 4. c4 Qf6 5. e3 Bb4+ 6. Nc3 d6 7. a3 Bxc3+ 8.
bxc3 Bd7 9. Bd3 O-O-O 10. Bg5 Qg6 11. Bxd8 Kxd8 12. O-O Nf6 13. a4 e5 14. d5
Ne7 15. Qb3 e4 16. Bxe4 fxe4 17. Nd4 Bh3 18. g3 Bxf1 19. Rxf1 Qh6 *
Position (FEN): 3k3r/ppp1n1pp/3p1n1q/3P4/P1PNp3/1QP1P1P1/5P1P/5RK1 w - - 1 20
White to move.
Themes:  Middlegame  
Puzzle rating: 1950
Best move: Qxb7