Semi-Slav Defense: Bogoljubow Variation

An entry in the Encyclopedia of Chess Openings (ECO D46), reached after 12 half-moves: 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 Be7.

Black rook — Use ← → arrows or click moves to step through.

Black bishop — Use ← → arrows or click moves to step through.

End of this line

No further variations branch from this position in our database. To explore neighbouring ideas:

About this opening

Semi-Slav Defense: Bogoljubow Variation is an opening in the Encyclopedia of Chess Openings, classified under code D46. ECO group D (D00–D99) covers closed games and semi-closed games beginning 1.d4 d5, covering the Queen's Gambit, Slav, Grünfeld and related queen-pawn structures. This particular variation is reached after 12 half-moves from the starting position, with the move sequence 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 Be7.

It belongs to the Semi-Slav Defense family. Within that family this is a sub-variation (the Bogoljubow Variation line).

The opening sequence in prose form: 1.d4 d5, 2.c4 c6, 3.Nc3 Nf6, 4.e3 e6, 5.Nf3 Nbd7, 6.Bd3 Be7. 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.