Chess puzzle (Crushing)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Accelerated_London_System
Moves: 1. d4 d5 2. Bf4 Bf5 3. c4 Nf6 4. Nc3 e6 5. Qb3 b6 6. Nb5 a6 *
Position (FEN): rn1qkb1r/2p2ppp/pp2pn2/1N1p1b2/2PP1B2/1Q6/PP2PPPP/R3KBNR w KQkq - 0 7
White to move.
Themes:  Opening  
Puzzle rating: 1010
Best move: Nxc7+