Shannon's Number

Published a week ago, already with 232.410 views and 855 comments, this is not your average chess video.

How many chess games are possible? (12:10) • 'Dr James Grime talking about the Shannon Number and other chess stuff.'

The last minute-and-a-half is publicity for a web service. For more about chess and math, see Chess from Wolfram MathWorld

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Several chess blogs have posted about the recent announcement that AP makes one million minutes of historical footage available on YouTube. For a search on the videos, see chess : AP Archive.