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On self-driving, Waymo is playing chess while Tesla plays checkers
(arstechnica.com)
This is a most excellent place for technology news and articles.
Maybe they should compare playing chess with playing Go.
The number of legal board positions in Go has been calculated to be approximately 2.1×10^170, which is far greater than the number of atoms in the observable universe, which is estimated to be on the order of 10^80.