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Final XG Rollout - now close after 52k

Posted By: Neil Robins
Date: Sunday, 16 May 2010, at 2:04 a.m.

In Response To: Final XG Rollout - now close after 52k (Timothy Chow)

Messing around with the score easily changes the position into a double. If your opponent is 1-0 behind to 7 instead of ahead 1-0, XGR+ doubles after any move. It thought it very marginal for both moves at the score below, so I ran a rollout for both double and no double. Basically everything is then TCTC. There doesn't seem to be particular cubeful effects.

The XML export only reports the equity from the leading thread for each roll and no double is leading for both. From the rollout window I can see that after D/T the equities are running at -0.690 ± 0.008 for 22/13 and -0.700 ± 0.010 for 13/4*.





is Player 2

score: 0
pip: 153
11 point match
pip: 161
score: 1

is Player 1
XGID=--aBa-D-BA--dC---bbbc-BA--:0:0:1:63:1:0:0:11:10
to play 63

1.Rollout122/13eq: -0.699
Player:
Opponent:		 34.21% (G:8.64% B:0.44%)
65.79% (G:20.87% B:1.23%)		Conf: ± 0.007 (-0.706...-0.692)
Duration: 3 hours 26 minutes
2.Rollout213/4* eq: -0.704 (-0.005)
Player:
Opponent:		 34.08% (G:10.18% B:0.51%)
65.92% (G:21.07% B:1.39%)		Conf: ± 0.007 (-0.711...-0.697)
Duration: 3 hours 45 minutes
1 13364 Games rolled with Variance Reduction.
Rolled for both No double and Double
Dice Seed: 31247
Moves and cube decisions: 3 ply

2 13365 Games rolled with Variance Reduction.
Rolled for both No double and Double
Dice Seed: 31247
Moves and cube decisions: 3 ply

eXtreme Gammon Version: 1.14, MET: GnuBG 11 point

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