Chess puzzle (Advantage)
Opening: Russian_Game, Russian_Game_Three_Knights_Game
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nc3 d6 4. Bb5+ Nc6 5. d4 Bd7 6. dxe5 dxe5 7. Bxc6 Bxc6
8. Bg5 Be7 9. O-O O-O 10. Qd2 Nxe4 11. Nxe4 Bxe4 12. Bxe7 Qxd2 *
Position (FEN): r4rk1/ppp1Bppp/8/4p3/4b3/5N2/PPPq1PPP/R4RK1 w - - 0 13
White to move.
Themes:  Middlegame  
Puzzle rating: 846
Best move: Nxd2