Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Closed
Moves: 1. e4 c5 2. Nc3 e6 3. Bc4 Nc6 4. d3 Nf6 5. Bg5 Be7 6. Bxf6 Bxf6 7. Nge2 a6 8.
a3 b5 9. Ba2 Bb7 10. O-O O-O 11. Nf4 Be5 12. Nh5 Qh4 13. Ng3 Nd4 14. Nb1 f5 15.
c3 Nc6 16. d4 cxd4 17. cxd4 Bxd4 18. Nc3 Be5 19. exf5 Rxf5 *
Position (FEN): r5k1/1b1p2pp/p1n1p3/1p2br2/7q/P1N3N1/BP3PPP/R2Q1RK1 w - - 0 20
White to move.
Themes:  Middlegame  
Puzzle rating: 1742
Best move: Qxd7