Chess puzzle (Advantage)
Opening: French_Defense, French_Defense_Tarrasch_Variation
Moves: 1. e4 e6 2. d4 d5 3. Nd2 c5 4. c3 Nc6 5. dxc5 Bxc5 6. Ngf3 Qb6 7. Qe2 Nf6 8. b4
Be7 9. g3 d4 10. Nc4 Qd8 11. b5 Na5 12. Bg2 *
Position (FEN): r1bqk2r/pp2bppp/4pn2/nP6/2NpP3/2P2NP1/P3QPBP/R1B1K2R b KQkq - 2 12
Black to move.
Themes:  Middlegame  
Puzzle rating: 1562
Best move: d3