zz4032

Results 3 issues of zz4032

Rounding "NPS" and "Nodes" to numbers with 3 significant digits: ![screenshot](https://user-images.githubusercontent.com/11909324/141523263-63fbde96-4b08-4fb4-907c-0f41b002e5fb.png)

Cutechess uses a trinomial results distribution that takes 20% longer to complete in a SPRT based on [https://github.com/vdbergh/pentanomial](https://github.com/vdbergh/pentanomial) compared to a pentanomial distribution that can be used when engines play...