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Rollout + variant: can someone explain this?
Posted By: Timothy Chow
Date: Wednesday, 24 July 2024, at 12:04 p.m.
In Response To: Boxcars: Anti-joker (Timothy Chow)
Maybe someone here can explain to me why there's such a huge swing between the original position and the variant below.

              
 
              
 | | White is Player 2
score: 0 pip: 145 | | Unlimited Game | pip: 137 score: 0
Blue is Player 1 | |
| XGID=-bBA-BBBA---cC---c-cb-bAA-:0:0:1:66:0:0:0:0:10 |
| Blue to play 66 |
| 1. | Rollout1 | 13/7(3) 8/2 | eq: -0.710 |
| Player: Opponent: | 33.54% (G:11.41% B:0.88%) 66.46% (G:25.75% B:1.44%) | Conf.: ± 0.019 (-0.729...-0.692) - [100.0%] Duration: 3 minutes 22 seconds |
|
| 2. | Rollout1 | 24/18 13/7(3) | eq: -0.901 (-0.191) |
| Player: Opponent: | 33.76% (G:11.14% B:0.85%) 66.24% (G:32.61% B:3.90%) | Conf.: ± 0.021 (-0.922...-0.881) - [0.0%] Duration: 3 minutes 38 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: 147 | | Unlimited Game | pip: 138 score: 0
Blue is Player 1 | |
| XGID=-bB-ABBBA---cC---c-cbb-AA-:1:1:1:66:0:0:0:0:10 |
| Blue to play 66 |
| 1. | Rollout1 | 24/18 13/7(3) | eq: -0.554 |
| Player: Opponent: | 29.54% (G:9.84% B:0.74%) 70.46% (G:32.31% B:3.52%) | Conf.: ± 0.005 (-0.559...-0.549) - [76.9%] Duration: 12 minutes 40 seconds |
|
| 2. | Rollout1 | 13/7(3) 8/2 | eq: -0.557 (-0.003) |
| Player: Opponent: | 27.50% (G:9.25% B:0.71%) 72.50% (G:28.29% B:1.76%) | Conf.: ± 0.006 (-0.563...-0.551) - [23.1%] Duration: 12 minutes 27 seconds |
|
| |
1 5184 Games rolled with Variance Reduction. Dice Seed: 62908879 Moves: 3-ply, cube decisions: XG Roller
|
eXtreme Gammon Version: 2.19.211.pre-release
Messages In This Thread
- Boxcars: Anti-joker
Timothy Chow -- Sunday, 21 July 2024, at 1:36 p.m.
- Boxcars: Anti-joker
John O'Hagan -- Monday, 22 July 2024, at 8:25 p.m.
- Rollout + variant: can someone explain this?
Timothy Chow -- Wednesday, 24 July 2024, at 12:04 p.m.
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