Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Steinitz_Countergambit
Moves: 1. d4 d5 2. Bf4 c5 3. dxc5 Nc6 4. c4 d4 5. e3 e5 6. Bg3 Bxc5 7. exd4 Bxd4 8.
Nc3 Qa5 9. Ne2 Bf5 10. Nxd4 *
Position (FEN): r3k1nr/pp3ppp/2n5/q3pb2/2PN4/2N3B1/PP3PPP/R2QKB1R b KQkq - 0 10
Black to move.
Themes:  Middlegame  
Puzzle rating: 1621
Best move: exd4