BGonline.org Forums

Make up your mind VII - Variants

Posted By: Nack Ballard
Date: Friday, 26 June 2026, at 1:00 a.m.

In Response To: Make up your mind VII - Rollout (Stick)

		White is Player 2 score: 0 pip: 85 Unlimited Game Jacoby Beaver pip: 99 score: 0 Blue is Player 1
XGID=-ABBABB-Aa---BBaab-bb-bbb-:0:0:1:65:0:0:3:0:10
Original position

1.	Rollout1	14/8 14/9*	eq: -0.339
	Player: Opponent: 44.50% (G:7.40% B:0.19%) 55.50% (G:32.73% B:0.52%) Conf.: ± 0.004 (-0.343...-0.336) - [100.0%] Duration: 30.8 seconds
2.	Rollout1	13/8 13/7	eq: -0.354 (-0.015)
	Player: Opponent: 38.60% (G:0.70% B:0.01%) 61.40% (G:1.71% B:0.10%) Conf.: ± 0.004 (-0.358...-0.350) - [0.0%] Duration: 9.3 seconds
1 5184 Games rolled with Variance Reduction. Moves: 3-ply, cube decisions: XG Roller

Above is Stick's rollout of the original position.

Below are two variants, both with a pipcount of 99-86. (The original is 99-85.) The first generates a huge swing (.110). The second is a cusp. Remarkable.

Nack

		White is Player 2 score: 0 pip: 86 Unlimited Game Jacoby Beaver pip: 99 score: 0 Blue is Player 1
XGID=-ABBABB-Aa---BBb-b-bb-bbb-:0:0:1:65:0:0:3:0:10
Variant 1: A White 9pt checker is on her 10pt

1.	Rollout1	13/8 13/7	eq: -0.278
	Player: Opponent: 40.72% (G:0.66% B:0.00%) 59.28% (G:1.35% B:0.06%) Conf.: ± 0.008 (-0.286...-0.270) - [100.0%] Duration: 17.3 seconds
2.	Rollout1	14/8 14/9*	eq: -0.374 (-0.095)
	Player: Opponent: 43.80% (G:7.35% B:0.12%) 56.20% (G:32.41% B:0.50%) Conf.: ± 0.008 (-0.381...-0.366) - [0.0%] Duration: 51.1 seconds
1 1296 Games rolled with Variance Reduction. Dice Seed: 46062878 Moves: 3-ply, cube decisions: XG Roller

		White is Player 2 score: 0 pip: 86 Unlimited Game Jacoby Beaver pip: 99 score: 0 Blue is Player 1
XGID=-ABBABB-Aa---BBaba-bb-bbb-:0:0:1:65:0:0:3:0:10
Variant 2: A White 8pt checker is on her 9pt

1.	Rollout1	13/8 13/7	eq: -0.294
	Player: Opponent: 40.39% (G:0.69% B:0.01%) 59.61% (G:1.27% B:0.05%) Conf.: ± 0.004 (-0.298...-0.289) - [79.4%] Duration: 53.3 seconds
2.	Rollout1	14/8 14/9*	eq: -0.296 (-0.002)
	Player: Opponent: 44.96% (G:7.99% B:0.20%) 55.04% (G:31.44% B:0.54%) Conf.: ± 0.004 (-0.300...-0.292) - [20.6%] Duration: 3 minutes 06 seconds
1 5184 Games rolled with Variance Reduction. Dice Seed: 21151037 Moves: 3-ply, cube decisions: XG Roller

Messages In This Thread

• Make up your mind VII
  pierrez -- Saturday, 13 June 2026, at 3:59 p.m.
  • Make up your mind VII
    Chuck Bower -- Saturday, 13 June 2026, at 10:23 p.m.
  • Make up your mind VII
    John O'Hagan -- Saturday, 13 June 2026, at 11:21 p.m.
  • Make up your mind VII - Rollout
    Stick -- Saturday, 20 June 2026, at 7:43 a.m.
    • Make up your mind VII - Variants
      Nack Ballard -- Friday, 26 June 2026, at 1:00 a.m.