What are the best proved upper and lower bounds for the Shannon number, i.e. number of possible positions of chess? Is the upper bound 7728772977965919677164873487685453137329736522 given in http://homepages.cwi.nl/~tromp/chess/chess.html generally accepted?
2026-04-01 18:14:16.1775067256
Shannon number upper and lower bounds
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