Chess puzzle (Advantage)
Opening: French_Defense, French_Defense_Knight_Variation
Moves: 1. e4 e6 2. Nf3 d5 3. e5 Ne7 4. d4 Nf5 5. Nc3 c5 6. Bb5+ Nc6 7. Bg5 f6 8. exf6
gxf6 9. Bf4 Qb6 10. b3 Nxd4 11. a4 Nxf3+ 12. Qxf3 a6 13. Bd3 d4 14. Ne4 Be7 15.
O-O e5 16. Bh6 Nb4 17. Bc4 Nxc2 18. Ra2 Nb4 19. Re2 Qc6 *
Position (FEN): r1b1k2r/1p2b2p/p1q2p1B/2p1p3/PnBpN3/1P3Q2/4RPPP/5RK1 w kq - 4 20
White to move.
Themes:  Middlegame  
Puzzle rating: 2120
Best move: Bg7