Fischer random chess numbering scheme: Difference between revisions

Revision as of 01:15, 16 June 2015

Revision as of 16:42, 11 August 2015

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The game [[Chess960]], played with conventional [[chess]] [[chess piece|pieces]] and [[rules of chess|rules]], starts with a random selection of one of 960 positions for the pieces. Arrangements of the pieces are restricted so that the [[king (chess)|king]] is between the [[rook (chess)|rooks]] and the [[bishop (chess)|bishops]] are on different colored squares. In order to both select a valid arrangement and to then concisely discuss which randomly selected arrangement a particular game used, the '''Chess960 numbering scheme''' is used: a number between 0 and 959 indicates a valid arrangement and given an arrangement the number can be determined.

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0 BB------ 4 -BB----- 8 -B--B--- 12 -B----B-

1 B--B---- 5 --BB---- 9 ---BB--- 13 ---B--B-

2 B----B-- 6 --B--B-- 10 ----BB-- 14BB—14 -----BB-

3 B------B 7 --B----B 11 ----B--B 15 ------BB