Chess puzzle (Advantage)
Opening: Scotch_Game, Scotch_Game_Other_variations
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 d6 6. Nc3 Be7 7. Bc4 Bf6 8.
Qd3 Ne7 9. O-O O-O 10. h3 a6 11. a4 Nc6 12. Nd5 Bd4 13. Qg3 Ne5 14. Ba2 Ng6 15.
Bg5 Qd7 16. c3 Be5 17. Qf3 Kh8 18. Qh5 f6 19. Bb1 *
Position (FEN): r1b2r1k/1ppq2pp/p2p1pn1/3Nb1BQ/P3P3/2P4P/1P3PP1/RB3RK1 b - - 1 19
Black to move.
Themes:  Middlegame  
Puzzle rating: 1635
Best move: fxg5