Chess puzzle (Advantage)
Opening: French_Defense, French_Defense_Advance_Variation
Moves: 1. e4 e6 2. d4 d5 3. e5 c5 4. dxc5 Bxc5 5. c3 Nc6 6. Nh3 Nxe5 7. Bf4 Qf6 8.
Bb5+ Bd7 9. Bxd7+ Nxd7 10. O-O Ne7 11. b4 Bxb4 *
Position (FEN): r3k2r/pp1nnppp/4pq2/3p4/1b3B2/2P4N/P4PPP/RN1Q1RK1 w kq - 0 12
White to move.
Themes:  Middlegame  
Puzzle rating: 1471
Best move: Bg5