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Bot Battle #146 - Variants

Posted By: Nack Ballard
Date: Thursday, 18 June 2026, at 7:58 p.m.

In Response To: Bot Battle #146 Rollout (Jason Lee)

		White is Professional score: 3 pip: 155 9 point match pip: 160 score: 0 Blue is Hive Mind
XGID=-a-BAaC-B---dD--ac-cBb--A-:0:0:1:64:0:3:0:9:10
Original position

1.	Rollout1	20/16* 16/10	eq: -0.014
	Player: Opponent: 48.15% (G:14.78% B:0.80%) 51.85% (G:16.19% B:1.17%) Conf.: ± 0.013 (-0.027...-0.001) - [99.2%] Duration: 57 minutes 15 seconds
2.	Rollout1	8/4 8/2	eq: -0.036 (-0.022)
	Player: Opponent: 47.23% (G:13.79% B:0.41%) 52.77% (G:12.30% B:0.62%) Conf.: ± 0.012 (-0.048...-0.024) - [0.8%] Duration: 50 minutes 16 seconds
1 1296 Games rolled with Variance Reduction. Moves: 4-ply, cube decisions: XG Roller+ Search interval: Huge

Above is Jason's rollout of the original position.

Below are variants. Altogether, four positions with four best plays represented.

Nack

		White is Player 2 score: 3 pip: 150 9 point match pip: 160 score: 0 Blue is Player 1
XGID=-a-BAaC-B---cD--acbbBb--A-:0:0:1:64:0:3:0:9:10
Variant 1: Two White 6pt spares are on her 7pt

1.	Rollout1	24/14	eq: -0.205
	Player: Opponent: 43.77% (G:9.44% B:0.33%) 56.23% (G:12.35% B:0.63%) Conf.: ± 0.009 (-0.214...-0.196) - [100.0%] Duration: 46 minutes 21 seconds
2.	Rollout1	20/16* 16/10	eq: -0.235 (-0.030)
	Player: Opponent: 43.45% (G:12.58% B:0.76%) 56.55% (G:18.51% B:1.65%) Conf.: ± 0.012 (-0.247...-0.223) - [0.0%] Duration: 46 minutes 57 seconds
3.	Rollout2	8/4 8/2	eq: -0.244 (-0.039)
	Player: Opponent: 42.51% (G:10.91% B:0.33%) 57.49% (G:13.17% B:0.60%) Conf.: ± 0.014 (-0.259...-0.230) - [0.0%] Duration: 18 minutes 43 seconds
1 2592 Games rolled with Variance Reduction. Dice Seed: 46062878 Moves: 3-ply, cube decisions: XG Roller 2 1296 Games rolled with Variance Reduction. Dice Seed: 46062878 Moves: 3-ply, cube decisions: XG Roller

		White is Player 2 score: 3 pip: 146 9 point match pip: 160 score: 0 Blue is Player 1
XGID=-a-BAaC-B---cD--ac-dB-b-A-:0:0:1:64:0:3:0:9:10
Variant 2: White's 4pt is changed to her 3pt

1.	Rollout1	8/4 8/2	eq: +0.001
	Player: Opponent: 48.72% (G:13.86% B:0.50%) 51.28% (G:13.96% B:0.57%) Conf.: ± 0.007 (-0.006...+0.009) - [93.3%] Duration: 55 minutes 35 seconds
2.	Rollout1	24/18 8/4	eq: -0.006 (-0.008)
	Player: Opponent: 48.57% (G:13.10% B:0.55%) 51.43% (G:13.01% B:0.57%) Conf.: ± 0.007 (-0.013...+0.001) - [6.6%] Duration: 59 minutes 51 seconds
3.	Rollout1	20/16* 16/10	eq: -0.016 (-0.017)
	Player: Opponent: 48.87% (G:14.70% B:0.80%) 51.13% (G:18.41% B:1.75%) Conf.: ± 0.008 (-0.023...-0.008) - [0.1%] Duration: 1 hour 02 minutes
4.	Rollout2	13/7 8/4	eq: -0.069 (-0.070)
	Player: Opponent: 47.52% (G:13.73% B:0.59%) 52.48% (G:16.44% B:1.05%) Conf.: ± 0.015 (-0.084...-0.054) - [0.0%] Duration: 11 minutes 49 seconds
1 5184 Games rolled with Variance Reduction. Dice Seed: 64625548 Moves: 3-ply, cube decisions: XG Roller 2 1296 Games rolled with Variance Reduction. Dice Seed: 64625548 Moves: 3-ply, cube decisions: XG Roller

		White is Player 2 score: 3 pip: 153 9 point match pip: 160 score: 0 Blue is Player 1
XGID=-a-BAaC-B---dD--ab-dBb--A-:0:0:1:64:0:3:0:9:10
Variant 3: A White 8pt spare is on her 6pt

1.	Rollout1	24/18 8/4	eq: -0.016
	Player: Opponent: 48.14% (G:12.62% B:0.50%) 51.86% (G:11.94% B:0.50%) Conf.: ± 0.007 (-0.023...-0.009) - [89.4%] Duration: 35 minutes 44 seconds
2.	Rollout1	8/4 8/2	eq: -0.025 (-0.008)
	Player: Opponent: 47.89% (G:13.71% B:0.49%) 52.11% (G:13.15% B:0.60%) Conf.: ± 0.007 (-0.032...-0.017) - [5.0%] Duration: 34 minutes 39 seconds
3.	Rollout1	20/16* 16/10	eq: -0.025 (-0.009)
	Player: Opponent: 48.11% (G:14.69% B:0.86%) 51.89% (G:17.49% B:1.58%) Conf.: ± 0.009 (-0.034...-0.016) - [5.6%] Duration: 44 minutes 11 seconds
4.	Rollout2	24/14	eq: -0.064 (-0.048)
	Player: Opponent: 47.49% (G:10.97% B:0.37%) 52.51% (G:12.03% B:0.52%) Conf.: ± 0.014 (-0.078...-0.051) - [0.0%] Duration: 10 minutes 04 seconds
1 5184 Games rolled with Variance Reduction. Dice Seed: 67032272 Moves: 3-ply, cube decisions: XG Roller 2 1296 Games rolled with Variance Reduction. Dice Seed: 67032272 Moves: 3-ply, cube decisions: XG Roller

Messages In This Thread

• Bot Battle #146
  Jason Lee -- Tuesday, 9 June 2026, at 11:21 a.m.
  • Bot Battle #146
    John O'Hagan -- Tuesday, 9 June 2026, at 3:24 p.m.
  • Bot Battle #146
    Chuck Bower -- Tuesday, 9 June 2026, at 5:27 p.m.
  • Bot Battle #146 - Rollout
    Stick -- Saturday, 13 June 2026, at 10:09 p.m.
  • Bot Battle #146 Rollout
    Jason Lee -- Sunday, 14 June 2026, at 12:17 p.m.
    • Bot Battle #146 - Variants
      Nack Ballard -- Thursday, 18 June 2026, at 7:58 p.m.