Chess puzzle (Advantage)
Opening: Zukertort_Opening, Zukertort_Opening_Reversed_Mexican_Defense
Moves: 1. Nc3 d5 2. Nf3 d4 3. Nb5 c5 4. d3 Nc6 5. Bf4 Nf6 *
Position (FEN): r1bqkb1r/pp2pppp/2n2n2/1Np5/3p1B2/3P1N2/PPP1PPPP/R2QKB1R w KQkq - 3 6
White to move.
Themes:  Opening  
Puzzle rating: 1111
Best move: Nc7+