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XGR++?

Posted By: neilkaz
Date: Wednesday, 23 March 2011, at 6:41 p.m.

In Response To: XGR++? (mtuhtan)

XGR++ is the high level roller we've been working on for XG2. It is another truncated RO, just like XGR+ and XGR. It is several times slower than XGR+ but, IMHO more accurate. It is probably a couple Elo stronger (difficult to measure since mistakes are few) than XGR+.

On my hexacore I can play matches vs XGR++ at ABT time controls and it won't time out. On your OC'ed i7, it might time out or not. Of course, being a bot, you may wonder sometimes, what the heck it is thinking about.

XGR++ with the new Gigantic SI, will be a great setting for first pass of custom analysis for those with i7 chips for overnight match analysis.

I find that XGR++ is often a little more accurate at appraising the position. Here's a XG2 XGR+ eval for comparison. Of course to make a more accurate comparision, I'd like to quadrupal my XGR+ RO length to halve the CI.

is Player 2

score: 0
pip: 137
Unlimited Game
Jacoby Beaver
pip: 89
score: 0

is Player 1
XGID=aBBaBbCBB----AA-b--c-b-bb-:1:-1:1:33:0:0:3:0:10
to play 33

1.XG Roller+14/11 6/3*(3) eq: +1.148
Player:
Opponent:		87.02% (G:46.52% B:0.42%)
12.98% (G:1.76% B:0.04%)		Conf.: ± 0.000 (+1.148...+1.148)
2.XG Roller+13/10 6/3*(3) eq: +1.143 (-0.005)
Player:
Opponent:		86.66% (G:47.10% B:0.45%)
13.34% (G:1.83% B:0.04%)		Conf.: ± 0.000 (+1.143...+1.143)
3.XG Roller+7/4 6/3*(3) eq: +1.106 (-0.042)
Player:
Opponent:		85.83% (G:44.94% B:0.41%)
14.17% (G:1.38% B:0.05%)		Conf.: ± 0.000 (+1.106...+1.106)
4.XG Roller+13/4 6/3* eq: +1.073 (-0.075)
Player:
Opponent:		84.13% (G:47.54% B:0.57%)
15.87% (G:3.41% B:0.07%)		Conf.: ± 0.000 (+1.073...+1.073)

eXtreme Gammon Version: 2.00.156.alpha

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