Chess puzzle (Advantage)
Opening: English_Opening, English_Opening_Symmetrical_Variation
Moves: 1. Nf3 c5 2. c4 Nc6 3. a3 Nf6 4. g3 g6 5. Bg2 Bg7 6. Nc3 O-O 7. Qb3 d6 8. O-O
Bd7 9. Qc2 e6 10. Rb1 d5 11. cxd5 exd5 12. b4 Bf5 13. d3 c4 14. b5 Na5 15. e4 *
Position (FEN): r2q1rk1/pp3pbp/5np1/nP1p1b2/2p1P3/P1NP1NP1/2Q2PBP/1RB2RK1 b - - 0 15
Black to move.
Themes:  Middlegame  
Puzzle rating: 1746
Best move: cxd3