Chess puzzle (Advantage)
Opening: French_Defense, French_Defense_Knight_Variation
Moves: 1. e4 e6 2. Nf3 c6 3. Nc3 d5 4. d4 Bb4 5. Bd2 Bxc3 6. Bxc3 dxe4 7. Ne5 Nd7 8.
Nxd7 Qxd7 9. d5 exd5 *
Position (FEN): r1b1k1nr/pp1q1ppp/2p5/3p4/4p3/2B5/PPP2PPP/R2QKB1R w KQkq - 0 10
White to move.
Themes:  Middlegame  
Puzzle rating: 989
Best move: Bxg7