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5 rollouts and 1 question

Posted By: Michael Depreli
Date: Monday, 17 December 2012, at 3:10 p.m.

In Response To: 5 rollouts and 1 question (mtuhtan)

Out of interest I started looking at how XG might play this position on various plies and was going to run through all the rolls but I think these 5 rolls tell me enough that even XG has problems playing this optimally even on high settings.

Can not hitting be correct for 31?

For 51 I liked 11/10* 6/1* It didn't even make XG's top 32 so never even got a look in. I didn't delve any deeper to see if it completely missed any other contenders for the other rolls.

Inf = force XG to evaluate all 32 moves.

I think Xavier is aware that containment play is still a weakness in XG and hopefully future versions will show some improvement there.

Michael





White is Player 2

score: 0
pip: 68
Unlimited Game
Jacoby Beaver
pip: 154
score: 0

Blue is Player 1
XGID=aa-BBBC---aA--A-----AAAbA-:1:1:1:00:0:0:3:0:10
Blue on roll, cube action?

eXtreme Gammon Version: 2.03

Roll

1-Ply

3-Ply Huge

3-Ply Inf

4-Ply Huge

4-Ply Inf

XGR+ Huge

XGR+ Inf

XGR++ Huge

XGR++ Inf

11

22/21 20/19 14/13 11/10*

0.881

22/21 20/19 14/13 11/10*

0.936

22/21 20/19 14/13 11/10*

0.936

22/21 14/13 11/10* 10/9

0.840

22/21 11/10* 3/2(2)

0.894

22/21 11/10* 10/8

0.961

22/21 11/10* 10/9 6/5

0.963

22/21 11/10* 10/8

0.829

11/10* 10/9 3/2(2)

0.872

21

11/10* 6/4

0.863

11/10* 6/4

0.923

11/10* 6/4

0.923

14/13 11/9

0.807

20/18 11/10*

0.814

11/10* 6/4

0.934

11/10* 10/8

0.945

11/10* 6/4

0.801

11/10* 10/8

0.816

31

11/10* 6/3

0.848

11/10* 6/3

0.925

22/19 11/10*

0.932

20/19 14/11

0.829

20/19 14/11

0.829

11/10* 6/3

0.958

11/10* 6/3

0.958

14/13 6/3

0.825

14/13 11/8

0.827

41

22/21 14/10*

0.859

22/21 14/10*

0.931

22/21 14/10*

0.931

11/10* 10/6

0.819

20/16 11/10*

0.827

22/21 14/10*

0.946

20/19 14/10*

0.953

11/10* 10/6

0.826

6/1*

0.851

51

11/10* 10/5

0.866

11/10* 10/5

0.928

11/10* 10/5

0.928

11/10* 10/5

0.832

11/10* 10/5

0.832

11/10* 10/5

0.949

11/10* 6/1*

1.000

11/5

0.851

22/21 6/1*

0.871

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