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Rollout, FWIW

Posted By: Timothy Chow
Date: Monday, 24 June 2024, at 1:31 p.m.

In Response To: rambiz would try to get more checkers sent back; would you? (Timothy Chow)

I mainly wanted to illustrate that sometimes, XG does go "kamikaze." For the reasons rambiz said, I don't entirely trust this rollout. I do believe that exposing blots is the right general idea, but the ranking of the plays is suspect. For starters, several of the options in the rollout below did not even make it through XG's move filter; I had to add them manually. That problem could be somewhat mitigated by doing a 4-ply rollout with a larger move filter, but I don't think it's worth the effort.





White is Player 2

score: 0
pip: 156
1 point match
pip: 213
score: 0

Blue is Player 1
XGID=-aaABAB--A--b-ab-bbbbCCAA-:0:0:1:11:0:0:0:1:10
Blue to play 11

1.Rollout124/23 4/2* 2/1* eq: -0.367
Player:
Opponent:
31.66% (G:3.13% B:0.22%)
68.34% (G:49.14% B:11.33%)
Conf.: ± 0.008 (-0.374...-0.359) - [100.0%]
Duration: 54 minutes 07 seconds
2.Rollout124/23 9/8 3/2* 2/1* eq: -0.396 (-0.029)
Player:
Opponent:
30.22% (G:2.84% B:0.12%)
69.78% (G:47.49% B:10.24%)
Conf.: ± 0.007 (-0.403...-0.389) - [0.0%]
Duration: 48 minutes 19 seconds
3.Rollout29/8 4/2* 2/1* eq: -0.405 (-0.038)
Player:
Opponent:
29.74% (G:2.48% B:0.19%)
70.26% (G:51.48% B:12.20%)
Conf.: ± 0.008 (-0.413...-0.397) - [0.0%]
Duration: 55 minutes 05 seconds
4.Rollout224/23 6/5 3/2* 2/1* eq: -0.406 (-0.039)
Player:
Opponent:
29.71% (G:2.85% B:0.13%)
70.29% (G:48.10% B:10.21%)
Conf.: ± 0.007 (-0.413...-0.399) - [0.0%]
Duration: 52 minutes 24 seconds
5.Rollout14/2* 3/2 2/1* eq: -0.407 (-0.040)
Player:
Opponent:
29.65% (G:2.79% B:0.20%)
70.35% (G:51.53% B:12.30%)
Conf.: ± 0.008 (-0.415...-0.399) - [0.0%]
Duration: 54 minutes 26 seconds
6.Rollout124/23 9/8 4/2* eq: -0.407 (-0.040)
Player:
Opponent:
29.65% (G:2.84% B:0.21%)
70.35% (G:47.54% B:9.94%)
Conf.: ± 0.007 (-0.414...-0.400) - [0.0%]
Duration: 50 minutes 05 seconds
7.Rollout222/21 4/2* 2/1* eq: -0.412 (-0.046)
Player:
Opponent:
29.38% (G:2.48% B:0.18%)
70.62% (G:51.97% B:12.15%)
Conf.: ± 0.008 (-0.421...-0.404) - [0.0%]
Duration: 56 minutes 13 seconds
8.Rollout124/23 6/5 4/2* eq: -0.413 (-0.046)
Player:
Opponent:
29.37% (G:2.83% B:0.28%)
70.63% (G:47.82% B:9.99%)
Conf.: ± 0.007 (-0.419...-0.406) - [0.0%]
Duration: 48 minutes 54 seconds
9.Rollout16/5 4/2* 2/1* eq: -0.413 (-0.046)
Player:
Opponent:
29.34% (G:2.61% B:0.23%)
70.66% (G:51.18% B:12.26%)
Conf.: ± 0.008 (-0.421...-0.405) - [0.0%]
Duration: 53 minutes 50 seconds
10.Rollout29/7 3/2* 2/1* eq: -0.419 (-0.052)
Player:
Opponent:
29.04% (G:2.93% B:0.22%)
70.96% (G:48.90% B:10.45%)
Conf.: ± 0.007 (-0.426...-0.412) - [0.0%]
Duration: 51 minutes 51 seconds
 
1 5184 Games rolled with Variance Reduction.
Dice Seed: 52672062
Moves: 3-ply, cube decisions: XG Roller

2 5184 Games rolled with Variance Reduction.
Dice Seed: 62908879
Moves: 3-ply, cube decisions: XG Roller

eXtreme Gammon Version: 2.19.211.pre-release, MET: Kazaross XG2

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