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12.February.2011 the 43rd day generates cv#43, C.S.H.R, never commented, never looked at. Generally, ignore Gilman's intro at first and go to piece-types. But on the way, notice here there are four colours not two, and 10x9 is xiangqi-size. All the pieces are ''capturable'' except the General. Pieces start off as Xiangqi pieces, and their move changes when they change to the second type of ''block.'' There are only two kinds of blocks. Each block is just a natural enough 2x3 of six squares. 90 divided by 6 is 15, and there happen to be 8 yellow-green 6-squares and 7 violet-purple 6-squares. To stress the concept cv, simply a piece is either in a yellow-green command area or else a violet-purple command area, which may or may not change after each time it moves. For example, the Rook in the corner is full-strength where he starts; whenever he should be moving later from violet-purple, he is only a Wazir. Thus Rook might go back and forth to Wazir, or instead might stay Rook so long as still within a yellow-green subset of squares. There are comparable switches or flips back and forth for each starting piece-type according to whether inside a violet-purple or yellow-green. (Later Baseball chess nonants, each 3x3 on 9x9 board, are a similar concept.)