Chess puzzle (Advantage)
Opening: French_Defense, French_Defense_Advance_Variation
Moves: 1. e4 e6 2. d4 d5 3. e5 c5 4. dxc5 Nc6 5. Nf3 Bxc5 6. c3 a6 7. Bd3 Nge7 8. O-O
Ng6 9. Re1 O-O 10. b4 Ba7 11. Bb2 Nh4 12. Nxh4 *
Position (FEN): r1bq1rk1/bp3ppp/p1n1p3/3pP3/1P5N/2PB4/PB3PPP/RN1QR1K1 b - - 0 12
Black to move.
Themes:  Opening  
Puzzle rating: 847
Best move: Qxh4