Chess opening · ECO D05
Rubinstein Opening
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1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 d5 5. b3
Rubinstein Opening is catalogued under ECO code D05. It is reached after 5 moves (9 half-moves): 1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 d5 5. b3. After the last move it is Black to play. White opens 1. d4. It is the defining line of the Rubinstein Opening family, which has 6 catalogued lines in total.