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Bot Battle #21 -- Two contrasting variants plus

Posted By: Nack Ballard
Date: Sunday, 26 May 2024, at 2:40 p.m.

In Response To: Bot Battle #21 Rollout and comparison position (Jason Lee)





White is Professional

score: 5
pip: 151
9 point match
pip: 148
score: 4

Blue is Hive Mind
XGID=-b-B--DAC---bC--acbe----B-:0:0:1:54:4:5:0:9:10
Original: Blue has his 8pt

1.playedRollout124/15eq: -0.176
Player:
Opponent:
47.13% (G:14.48% B:1.09%)
52.87% (G:17.29% B:1.40%)
Conf.: ± 0.013 (-0.190...-0.163) - [100.0%]
Duration: 40 minutes 35 seconds
2.Rollout17/2 6/2eq: -0.265 (-0.089)
Player:
Opponent:
45.13% (G:14.51% B:1.41%)
54.87% (G:17.13% B:1.55%)
Conf.: ± 0.013 (-0.278...-0.252) - [0.0%]
Duration: 31 minutes 02 seconds
1 1296 Games rolled with Variance Reduction.
Moves: 4-ply, cube decisions: XG Roller+
Search interval: Huge

Jason's rollout of his original position is above.

Blue's 8pt has been changed to his 9pt, and to his 10pt, respectively, in the two variants below.





White is Player 2

score: 5
pip: 151
9 point match
pip: 151
score: 4

Blue is Player 1
XGID=-b-B--DA-C--bC--acbe----B-:0:0:1:54:4:5:0:9:10
Variant 1: Blue has his 9pt

1.Rollout17/2 6/2eq: -0.199
Player:
Opponent:
46.33% (G:15.68% B:1.20%)
53.67% (G:17.14% B:1.29%)
Conf.: ± 0.017 (-0.216...-0.183) - [100.0%]
Duration: 47 minutes 57 seconds
2.Rollout124/15eq: -0.267 (-0.068)
Player:
Opponent:
45.80% (G:13.82% B:1.01%)
54.20% (G:18.78% B:1.88%)
Conf.: ± 0.017 (-0.284...-0.250) - [0.0%]
Duration: 1 hour 05 minutes
1 1296 Games rolled with Variance Reduction.
Dice Seed: 2691083
Moves: 3-ply, cube decisions: XG Roller





White is Player 2

score: 5
pip: 151
9 point match
pip: 154
score: 4

Blue is Player 1
XGID=-b-B--DA--C-bC--acbe----B-:0:0:1:54:4:5:0:9:10
Variant 2: Blue has his 10pt

1.Rollout17/2 6/2eq: -0.128
Player:
Opponent:
47.70% (G:16.46% B:1.75%)
52.30% (G:17.25% B:1.77%)
Conf.: ± 0.019 (-0.146...-0.109) - [100.0%]
Duration: 47 minutes 21 seconds
2.Rollout124/15eq: -0.226 (-0.098)
Player:
Opponent:
46.44% (G:14.18% B:1.19%)
53.56% (G:18.87% B:1.49%)
Conf.: ± 0.018 (-0.244...-0.208) - [0.0%]
Duration: 1 hour 01 minute
1 1296 Games rolled with Variance Reduction.
Dice Seed: 8658626
Moves: 3-ply, cube decisions: XG Roller

Likewise, for Position 54 in the book written by Mary Hickey / Marty Storer, when Blue owns his 8pt, the XGR++ evaluation asserts that making the 2pt is a whopper with cheese. By contrast, if Blue owns his 10pt, then making the 2pt is tied with running. Compare the evaluations below.

Nack





White is Player 2

score: 0
pip: 146
Unlimited Game
Jacoby Beaver
pip: 144
score: 0

Blue is Player 1
XGID=-b-B-BCAB----Cb--dbe----B-:0:0:1:54:0:0:3:0:10
Hickey/Storer with Blue's 8pt

1.xgXG Roller++24/15eq: +0.444
Player:
Opponent:
60.41% (G:18.89% B:1.22%)
39.59% (G:11.64% B:0.56%)
2.XG Roller++7/2 6/2eq: +0.289 (-0.154)
Player:
Opponent:
56.49% (G:18.88% B:1.22%)
43.51% (G:12.54% B:0.64%)




White is Player 2

score: 0
pip: 146
Unlimited Game
Jacoby Beaver
pip: 148
score: 0

Blue is Player 1
XGID=-b-B-BCA--B--Cb--dbe----B-:0:0:1:54:0:0:3:0:10
Hickey/Storer with Blue's 10pt

1.XG Roller++24/15eq: +0.333
Player:
Opponent:
58.25% (G:17.97% B:1.13%)
41.75% (G:13.23% B:0.66%)
2.XG Roller++7/2 6/2eq: +0.328 (-0.005)
Player:
Opponent:
57.54% (G:19.49% B:1.39%)
42.46% (G:12.75% B:0.71%)

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