ECO C10 · French Defense
French Defense: Rubinstein Variation, Blackburne Defense
The position after 1.e4 e6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7.
1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7
French Defense: Rubinstein Variation, Blackburne Defense is filed under ECO C10, a variation of French Defense: Rubinstein Variation. It is the position after 1.e4 e6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7 — 8 half-moves in, with White to move. Named theory ends here; beyond this the position is yours to work out.