Chess puzzle (Advantage)
Opening: French_Defense, French_Defense_Exchange_Variation
Moves: 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Nf3 Nf6 6. Bg5 Bg4 7. h3 Bh5 8. g4
Bg6 9. Bxg6 fxg6 10. Qe2+ Qe7 11. Nc3 O-O 12. O-O-O *
Position (FEN): rn3rk1/ppp1q1pp/3b1np1/3p2B1/3P2P1/2N2N1P/PPP1QP2/2KR3R b - - 5 12
Black to move.
Themes:  Middlegame  
Puzzle rating: 1434
Best move: Qxe2