Chess puzzle (Advantage)
Opening: French_Defense, French_Defense_Advance_Variation
Moves: 1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3 Nc6 5. dxc5 Bxc5 6. Be3 Bxe3 7. fxe3 Qb6 8.
Nd4 Qxb2 9. Nd2 Bd7 10. Bb5 Nxe5 11. Bxd7+ Nxd7 12. O-O Ngf6 13. Rb1 Qxa2 14.
Rxb7 O-O 15. Qf3 Ne5 16. Qf4 Nc4 17. Nxc4 Qxc4 18. Qg3 a5 *
Position (FEN): r4rk1/1R3ppp/4pn2/p2p4/2qN4/4P1Q1/2P3PP/5RK1 w - - 0 19
White to move.
Themes: Pin Middlegame  
Puzzle rating: 1566
Best move: Rxf6