Rubinstein Opening: Semi-Slav Defense

An entry in the Encyclopedia of Chess Openings (ECO D05), reached after 13 half-moves: 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 Bd6 5. O-O O-O 6. b3 Nbd7 7. Bb2.

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

Rubinstein Opening: Semi-Slav Defense is an opening in the Encyclopedia of Chess Openings, classified under code D05. 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 13 half-moves from the starting position, with the move sequence 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 Bd6 5. O-O O-O 6. b3 Nbd7 7. Bb2.

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

The opening sequence in prose form: 1.d4 d5, 2.Nf3 Nf6, 3.e3 e6, 4.Bd3 Bd6, 5.O-O O-O, 6.b3 Nbd7. 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.