Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_London_System
Moves: 1. d4 d5 2. Bf4 Nf6 3. Nf3 Bf5 4. e3 e6 5. Bd3 Bg6 6. Ne5 Bd6 7. Nc3 Bh5 8. f3
Nfd7 9. g4 f6 *
Position (FEN): rn1qk2r/pppn2pp/3bpp2/3pN2b/3P1BP1/2NBPP2/PPP4P/R2QK2R w KQkq - 0 10
White to move.
Themes:  Opening  
Puzzle rating: 1682
Best move: Nxd7