Chess puzzle (Advantage)
Opening: French_Defense, French_Defense_Exchange_Variation
Moves: 1. d4 e6 2. e4 d5 3. exd5 exd5 4. Be3 Bd6 5. Nc3 c6 6. Qd2 Nf6 7. O-O-O O-O 8.
h4 Bf5 9. Be2 h5 10. Nh3 Nbd7 11. Nf4 g6 12. f3 Bxf4 *
Position (FEN): r2q1rk1/pp1n1p2/2p2np1/3p1b1p/3P1b1P/2N1BP2/PPPQB1P1/2KR3R w - - 0 13
White to move.
Themes:  Middlegame  
Puzzle rating: 592
Best move: Bxf4