Chess puzzle (Advantage)
Opening: English_Opening, English_Opening_Caro-Kann_Defensive_System
Moves: 1. c4 c6 2. Nc3 d5 3. cxd5 cxd5 4. d4 Nf6 5. e3 Nc6 6. Nf3 e6 7. Bd3 Bd6 8. O-O
O-O 9. a3 e5 10. dxe5 Nxe5 11. e4 *
Position (FEN): r1bq1rk1/pp3ppp/3b1n2/3pn3/4P3/P1NB1N2/1P3PPP/R1BQ1RK1 b - - 0 11
Black to move.
Themes:  Opening  
Puzzle rating: 1742
Best move: Nxd3