Chess puzzle (Advantage)
Opening: Kings_Pawn_Game, Kings_Pawn_Game_Leonardis_Variation
Moves: 1. e4 e5 2. d3 Nf6 3. Be3 Nc6 4. Be2 d6 5. g4 h6 6. h4 Be7 7. Qd2 Be6 8. Nc3
Qd7 9. a3 Nxg4 10. O-O-O Nd4 11. Bxd4 *
Position (FEN): r3k2r/pppqbpp1/3pb2p/4p3/3BP1nP/P1NP4/1PPQBP2/2KR2NR b kq - 0 11
Black to move.
Themes:  Middlegame  
Puzzle rating: 1323
Best move: exd4