Rubinstein Opening

1.d4 Nf6 2.Nf3 e6 3.e3 c5 4.Bd3 d5 5.b3

ECO D05

The Rubinstein Opening is a chess opening reached after 1.d4 Nf6 2.Nf3 e6 3.e3 c5 4.Bd3 d5 5.b3, catalogued under code D05 in the Encyclopaedia of Chess Openings (ECO).

The defining move b3 is chosen by White on move 5.

3 named continuations branch from this position, including the Bogoljubow Defense and the Classical Defense.

Named variations

• Rubinstein Opening: Bogoljubow Defense — ECO D05
• Rubinstein Opening: Classical Defense — ECO D05
• Rubinstein Opening: Semi-Slav Defense — ECO D05

Do you want to learn openings?

Start with a GM-authored repertoire you study move by move, then practice against a human-like AI opponent:

• Catalan Opening
• King's Indian Defense with ...e5

Every chess term used here is defined in the chess terms glossary. Browse all opening courses or the full ECO code index.