Chess puzzle (Advantage)
Opening: Kings_Pawn_Game, Kings_Pawn_Game_Dresden_Opening
Moves: 1. e4 e5 2. Nf3 Nc6 3. c4 Bc5 4. Nc3 Nf6 5. d3 O-O 6. a3 a5 7. Be2 d6 8. O-O h6
9. Be3 Nd4 10. Nxd4 *
Position (FEN): r1bq1rk1/1pp2pp1/3p1n1p/p1b1p3/2PNP3/P1NPB3/1P2BPPP/R2Q1RK1 b - - 0 10
Black to move.
Themes:  Opening  
Puzzle rating: 1197
Best move: exd4