What are "roller levels"? And "5 points"? are those Elo points? something else?
-Joseph On Thu, 30 Jan 2020 at 09:41, Philippe Michel <[email protected]> wrote: > On Wed, Jan 29, 2020 at 09:28:04AM +0000, Sarah Payne wrote: > > > For sure, I would expect gnu still to have some playing strengths > > against xg. That’s what is so impressive: how it’s still as strong as > > it is with no new recent versions. > > You wording is somewhat confusing. The last major versions of GNUbg > (1.0x) are more recent than XG2. > > It went something like : GNUbg 0.90, then XG1 (about 5 Elo points > stronger at 2ply/GNU 3ply/XG), then XG2 (about 15 points stronger than > XG1), then GNUbg 1.0 (about 15 points stronger than 0.90 and 5 points > short of XG2). In addition, XG has its roller levels that give it > another advantage. > > It was a bit disappointing to remain slightly weaker than XG2 but enough > of an improvement over GNUbg 0.90 to be worth releasing as it was rather > than wait for hypothetical further improvements. > >
