Chess puzzle (Advantage)
Opening: French_Defense, French_Defense_Normal_Variation
Moves: 1. e4 e6 2. d4 c6 3. c4 a6 4. Nc3 b5 5. b3 h6 6. Nf3 g5 7. Bd3 Bb4 8. Bb2 Qb6
9. c5 Qd8 10. a3 Bxc3+ 11. Bxc3 a5 12. d5 Nf6 13. d6 Rg8 14. e5 Nd5 15. Bd2 Na6
16. Qc2 b4 17. axb4 Naxb4 18. Bxb4 Nxb4 19. Qd2 Nxd3+ *
Position (FEN): r1bqk1r1/3p1p2/2pPp2p/p1P1P1p1/8/1P1n1N2/3Q1PPP/R3K2R w KQq - 0 20
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 675
Best move: Qxd3