Chess puzzle (Advantage)
Opening: French_Defense, French_Defense_Advance_Variation
Moves: 1. e4 e6 2. e5 d5 3. d4 c5 4. dxc5 Bxc5 5. Nf3 Qb6 6. Qe2 a6 7. Nc3 Qc7 8. Be3
Bb4 9. Bd4 Nc6 10. Qe3 Nge7 11. Bd3 Nxd4 12. Qxd4 Nc6 13. Qg4 Nxe5 *
Position (FEN): r1b1k2r/1pq2ppp/p3p3/3pn3/1b4Q1/2NB1N2/PPP2PPP/R3K2R w KQkq - 0 14
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1074
Best move: Qxb4