About this opening
Nimzowitsch Defense: Scandinavian Variation, Bogoljubow Variation, Nimzowitsch Gambit is an opening in the Encyclopedia of Chess Openings,
classified under code B00. ECO group B (B00–B99)
covers semi-open games (1.e4 with Black playing anything other than 1…e5), with the Sicilian, French, Caro-Kann and Pirc/Modern at its heart. This particular variation is reached
after 8 half-moves from the
starting position, with the move sequence 1. e4 Nc6 2. d4 d5 3. Nc3 dxe4 4. d5 Ne5.
It belongs to the Nimzowitsch Defense family.
Within that family this is a level-3 branch (the Scandinavian Variation → Bogoljubow Variation → Nimzowitsch Gambit line). The immediate parent line is Nimzowitsch Defense: Scandinavian Variation, Bogoljubow Variation, transitioned via 4…Ne5.
The opening sequence in prose form: 1.e4 Nc6, 2.d4 d5, 3.Nc3 dxe4, 4.d5 Ne5. From this position the encyclopaedia records no further canonical continuations — practical play branches into unnamed transpositions or returns to the parent line for alternative ideas.