Chess puzzle (Advantage)
Opening: French_Defense, French_Defense_Rubinstein_Variation
Moves: 1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Ne5 Bd6
8. Qf3 Bxe5 9. dxe5 Nd5 10. c3 Bd7 11. Be2 Qe7 12. O-O O-O-O 13. Qg3 h6 14. Bh5
g6 15. Bf3 f5 16. Bxd5 exd5 17. Qxg6 Rdg8 18. Qf6 Qh7 19. Bf4 *
Position (FEN): 2k3rr/pppb3q/5Q1p/3pPp2/5B2/2P5/PP3PPP/R4RK1 b - - 4 19
Black to move.
Themes:  Middlegame  
Puzzle rating: 1804
Best move: Rg6