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A new form of 2-dimensional nim is investigated. Positions are rectangular matrices of non-negative integers. Moves consist of chosing a positive integer and a row or column and subtracting the integer from every element of the chosen row or column. Last to move wins. The 2 1 case is just Wytho’s Game. The outcomes of all 22 positions are found in both the impartial and partizan cases. Some hope is given of being able to solve sums of 2 2 games in the partizan case.

Another Form of Matrix Nim