Life In 19x19
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169,518,829,100,544,000,000,000,000,000
http://lifein19x19.com/viewtopic.php?f=8&t=13307
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Author:  Anzu [ Tue Jun 21, 2016 7:39 pm ]
Post subject:  169,518,829,100,544,000,000,000,000,000

According to the America’s Foundation for Chess, that is the number of ways to play the first 10 moves. I'm assuming ten moves per side, ten black, ten white.

Author:  daal [ Wed Jun 22, 2016 2:11 am ]
Post subject:  Re: 169,518,829,100,544,000,000,000,000,000

Wow, that is tiny!

Author:  Anzu [ Wed Jun 22, 2016 3:14 am ]
Post subject:  Re: 169,518,829,100,544,000,000,000,000,000

Forgot to link where I found it (paragraph 20) http://www.chess-poster.com/english/not ... u_know.htm

Also found at:

https://www.chess.com/forum/view/genera ... sibilities

https://www.reddit.com/r/todayilearned/ ... 0000_ways/

Author:  DrStraw [ Wed Jun 22, 2016 3:23 am ]
Post subject:  Re: 169,518,829,100,544,000,000,000,000,000

The 20th root of that number is approximately 29. So that says there are, on average, 29 possible moves in each position for the first 20 moves of the game. That sounds reasonable.

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