Chess puzzle (Advantage)
Opening: Center_Game, Center_Game_Berger_Variation
Moves: 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Nf6 5. Nc3 b6 6. Bd2 Bc5 7. Qg3 Qe7 8.
Bc4 Nxe4 9. O-O-O Nxd2 10. Rxd2 O-O 11. Nd5 Qd6 12. f4 Bb7 13. Nf3 Nd4 *
Position (FEN): r4rk1/pbpp1ppp/1p1q4/2bN4/2Bn1P2/5NQ1/PPPR2PP/2K4R w - - 3 14
White to move.
Themes:  Middlegame  
Puzzle rating: 1161
Best move: Nxd4