Chess puzzle (Advantage)
Opening: Nimzowitsch_Defense, Nimzowitsch_Defense_Scandinavian_Variation
Moves: 1. e4 d5 2. e5 Nc6 3. d4 Bf5 4. Nc3 e6 5. Nce2 *
Position (FEN): r2qkbnr/ppp2ppp/2n1p3/3pPb2/3P4/8/PPP1NPPP/R1BQKBNR b KQkq - 1 5
Black to move.
Themes:  Opening  
Puzzle rating: 1754
Best move: Nb4