Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Accelerated_London_System
Moves: 1. d4 d5 2. Bf4 e6 3. Nf3 c5 4. e3 h6 5. Nc3 Nf6 6. Nb5 cxd4 *
Position (FEN): rnbqkb1r/pp3pp1/4pn1p/1N1p4/3p1B2/4PN2/PPP2PPP/R2QKB1R w KQkq - 0 7
White to move.
Themes:  Opening  
Puzzle rating: 1676
Best move: Nc7+