Chess puzzle (Advantage)
Opening: French_Defense, French_Defense_Exchange_Variation
Moves: 1. e4 e6 2. d4 d5 3. exd5 Qxd5 4. Nf3 Nf6 5. Nc3 Qd8 6. Bg5 Be7 7. Qd3 h6 8.
Bh4 O-O 9. O-O-O Ng4 10. Qe2 *
Position (FEN): rnbq1rk1/ppp1bpp1/4p2p/8/3P2nB/2N2N2/PPP1QPPP/2KR1B1R b - - 5 10
Black to move.
Themes:  Opening  
Puzzle rating: 1224
Best move: Bxh4