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Yusupov-Rubinstein System is a chess opening that arises after 1.d4 Nf6 2.Nf3 e6 3.e3. It is classified A46 in the ECO system, and the position after these moves has black to move.
Each of these is a named opening reached by playing on from 1.d4 Nf6 2.Nf3 e6 3.e3. Open any of them to load the position on the board.