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GNU rollout disagrees with XG rollout

Posted By: eXtreme Gammon
Date: Tuesday, 31 January 2012, at 3:44 a.m.

In Response To: GNU rollout disagrees with XG rollout (Timothy Chow)


I do not know what seed was used.

here is the raw data i got from FRank Berger, who extracted the Gnu BG Ro of the initial study: 

 

    [benchPosition] 

      [cubeDecision]false[/cubeDecision] 

      [id]141702G[/id] 

      [positionID]zJ3gATCMn4MBMA:cIkJANAAEAAA[/positionID] 

      [xgID]XGID=-b-B--F-C---dB---a-cc-b-B-:0:0:1:23:2:13:1:0:10[/xgID] 

      [responses] 

        [response] 

          [move]8-3[/move] 

          [equityDiff]0.000[/equityDiff] 

        [/response]        

        [response] 

          [move]6-4,6-3[/move] 

          [equityDiff]-0.021[/equityDiff] 

        [/response]  

        [response] 

          [move]13-11,13-10[/move] 

          [equityDiff]-0.057[/equityDiff] 

        [/response]  

     [/responses] 

    [/benchPosition]


Note: replace the bracket by < and > to get proper XML

here is the XG RO (note the 19K RO it took to get to 0.005 CI)
Maybe Micheal or Frank can post the initial Gnu BG RO.

Surely 6/4 6/3 is not what i would have played OTB.





White is Snowie4

score: 30
pip: 147
Unlimited Game
Jacoby
pip: 140
score: 11

Blue is gnubg
XGID=-b-B-CC-A---bD---c-f--b-B-:0:0:-1:32:30:11:1:0:10
Blue to play 32

1.Rollout16/4 6/3eq: -0.6920
Player:
Opponent:		34.19% (G:10.62% B:0.71%)
65.81% (G:25.20% B:1.83%)		Conf.: ±0.0050 (-0.6970...-0.6870) - [100.0%]
Duration: 1 hour 06 minutes
2.Rollout213/11 13/10eq: -0.7479 (-0.0559)
Player:
Opponent:		32.39% (G:10.34% B:0.78%)
67.61% (G:22.99% B:1.78%)		Conf.: ±0.0050 (-0.7529...-0.7429) - [0.0%]
Duration: 1 hour 03 minutes
3.Rollout38/3eq: -0.7609 (-0.0688)
Player:
Opponent:		32.75% (G:9.55% B:0.65%)
67.25% (G:24.37% B:1.31%)		Conf.: ±0.0050 (-0.7659...-0.7559) - [0.0%]
Duration: 48 minutes 37 seconds
1 19981 Games rolled with Variance Reduction.
Moves: 3-ply, cube decisions: XG Roller

2 19764 Games rolled with Variance Reduction.
Moves: 3-ply, cube decisions: XG Roller

3 16632 Games rolled with Variance Reduction.
Moves: 3-ply, cube decisions: XG Roller

eXtreme Gammon Version: 2.02






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