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Rollout + variant

Posted By: Timothy Chow
Date: Monday, 12 August 2024, at 4:17 a.m.

In Response To: Time to break anchor? Problem 4 (Timothy Chow)

XG 3-ply doesn't hit here, because the hit doesn't even make it through the move filter. The decision is pretty subtle, as the variant illustrates.





White is Player 2

score: 0
pip: 94
Unlimited Game
pip: 91
score: 0

Blue is Player 1
XGID=-ACB-BCB----b-b--aBbbbb-b-:0:0:1:21:0:0:0:0:10
Blue to play 21

1.Rollout118/17* 17/15eq: +0.001
Player:
Opponent:
48.66% (G:13.47% B:0.15%)
51.34% (G:24.15% B:1.20%)
Conf.: ± 0.005 (-0.004...+0.006) - [100.0%]
Duration: 48.1 seconds
2.Rollout16/4 2/1eq: -0.135 (-0.137)
Player:
Opponent:
45.88% (G:2.73% B:0.04%)
54.12% (G:2.09% B:0.06%)
Conf.: ± 0.008 (-0.144...-0.127) - [0.0%]
Duration: 1 minute 17 seconds
 
1 1296 Games rolled with Variance Reduction.
Dice Seed: 62908879
Moves: 3-ply, cube decisions: XG Roller

eXtreme Gammon Version: 2.19.211.pre-release


Variant:





White is Player 2

score: 0
pip: 96
Unlimited Game
pip: 91
score: 0

Blue is Player 1
XGID=-ACB-BCB----bb---aBbbbb-b-:0:0:1:21:0:0:0:0:10
Blue to play 21

1.Rollout16/4 2/1eq: -0.008
Player:
Opponent:
49.42% (G:3.31% B:0.03%)
50.58% (G:2.33% B:0.09%)
Conf.: ± 0.009 (-0.016...+0.001) - [100.0%]
Duration: 1 minute 10 seconds
2.Rollout118/16 18/17* eq: -0.053 (-0.046)
Player:
Opponent:
46.74% (G:13.73% B:0.17%)
53.26% (G:26.34% B:1.33%)
Conf.: ± 0.011 (-0.064...-0.043) - [0.0%]
Duration: 1 minute 14 seconds
 
1 1296 Games rolled with Variance Reduction.
Dice Seed: 62908879
Moves: 3-ply, cube decisions: XG Roller

eXtreme Gammon Version: 2.19.211.pre-release

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