Chess puzzle (Advantage)
Opening: Russian_Game, Russian_Game_Italian_Variation
Moves: 1. e4 e5 2. Bc4 Nf6 3. Nf3 Nxe4 4. Nxe5 d5 5. Qf3 Be6 6. Bb3 Bc5 7. O-O O-O 8.
d3 Ng5 9. Qg3 f6 10. Bxg5 fxg5 11. c3 Nc6 12. Nxc6 bxc6 13. d4 Bd6 14. Qe3 Qd7
15. Qxg5 Rf5 16. Qd2 Bf4 17. Qd3 Raf8 18. Nd2 Rh5 19. Nf3 *
Position (FEN): 5rk1/p1pq2pp/2p1b3/3p3r/3P1b2/1BPQ1N2/PP3PPP/R4RK1 b - - 8 19
Black to move.
Themes:  Middlegame  
Puzzle rating: 1991
Best move: Bf5