Chess puzzle (Advantage)
Opening: Kings_Pawn_Game, Kings_Pawn_Game_Mengarinis_Opening
Moves: 1. e4 e5 2. a3 d5 3. exd5 Qxd5 4. Nc3 Qe6 5. d3 Nf6 6. h3 Bc5 7. Qe2 Nc6 8. Nf3
O-O 9. Be3 Nd4 10. Nxd4 *
Position (FEN): r1b2rk1/ppp2ppp/4qn2/2b1p3/3N4/P1NPB2P/1PP1QPP1/R3KB1R b KQ - 0 10
Black to move.
Themes:  Opening  
Puzzle rating: 1666
Best move: exd4