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Variant

Posted By: Timothy Chow
Date: Monday, 26 August 2024, at 12:25 p.m.

In Response To: Surprised this error was so bad: (Ian Terry)

Yes, this is a little surprising! The anti-joker 61 seems to play a large role. But I think that part of the story is also that playing 8/5 7/2 leaves us inflexible, with aces playing poorly for example (assuming White cleans up one or both of her blots next turn).

Here's a variant where White's 61 doesn't play poorly.





White is Player 2

score: 0
pip: 90
Unlimited Game
pip: 113
score: 0

Blue is Player 1
XGID=--ABBBBAA---dB---B-baacd--:0:0:1:53:0:0:0:0:10
Blue to play 53

1.Rollout18/5 7/2eq: -0.585
Player:
Opponent:
31.13% (G:1.67% B:0.05%)
68.87% (G:0.93% B:0.01%)
Conf.: ± 0.008 (-0.594...-0.577) - [77.4%]
Duration: 2 minutes 40 seconds
2.Rollout18/3 7/4eq: -0.591 (-0.006)
Player:
Opponent:
31.03% (G:1.74% B:0.05%)
68.97% (G:1.10% B:0.01%)
Conf.: ± 0.008 (-0.599...-0.583) - [14.5%]
Duration: 2 minutes 45 seconds
3.Rollout113/10 7/2eq: -0.594 (-0.009)
Player:
Opponent:
31.12% (G:1.90% B:0.06%)
68.88% (G:1.40% B:0.01%)
Conf.: ± 0.008 (-0.602...-0.586) - [4.5%]
Duration: 2 minutes 26 seconds
4.Rollout17/2 4/1eq: -0.595 (-0.009)
Player:
Opponent:
30.98% (G:1.70% B:0.05%)
69.02% (G:1.15% B:0.02%)
Conf.: ± 0.008 (-0.603...-0.587) - [3.6%]
Duration: 2 minutes 33 seconds
5.Rollout113/10 13/8eq: -0.608 (-0.023)
Player:
Opponent:
30.75% (G:1.69% B:0.05%)
69.25% (G:0.84% B:0.01%)
Conf.: ± 0.009 (-0.617...-0.600) - [0.0%]
Duration: 2 minutes 46 seconds
6.Rollout113/5eq: -0.610 (-0.025)
Player:
Opponent:
30.92% (G:1.69% B:0.05%)
69.08% (G:1.40% B:0.02%)
Conf.: ± 0.008 (-0.619...-0.602) - [0.0%]
Duration: 1 minute 55 seconds
 
1 2592 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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