Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Accelerated_London_System
Moves: 1. d4 d5 2. Bf4 Bg4 3. h3 Bh5 4. Nd2 e6 5. Ngf3 Bb4 6. c3 Ba5 7. Qa4+ Nc6 8. e3
a6 9. Ne5 Ne7 10. g4 Bg6 11. h4 h6 12. Ndf3 Be4 13. Be2 O-O 14. Rg1 Nxe5 15.
Nxe5 Bb6 16. Bd3 Bxd3 *
Position (FEN): r2q1rk1/1pp1npp1/pb2p2p/3pN3/Q2P1BPP/2PbP3/PP3P2/R3K1R1 w Q - 0 17
White to move.
Themes:  Middlegame  
Puzzle rating: 1220
Best move: Nxd3