D45

Semi-Slav Defense: Rubinstein System

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. e3 Nbd7 6. Ne5

The Semi-Slav Defense: Rubinstein System is a chess opening classified under ECO code D45. It is reached after the moves 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. e3 Nbd7 6. Ne5.

It belongs to the Semi-Slav Defense family — one of many ways the line can branch. Understanding the parent system’s plans is the fastest way to play this variation well.

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