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Mid game [42] - Original and Two Variants

Posted By: Nack Ballard
Date: Monday, 12 January 2026, at 12:46 a.m.

In Response To: Position of the Day 01-08-26 - Mid game [42] - Rollout (Stick)

		White is Player 2 score: 0 pip: 153 Unlimited Game Jacoby Beaver pip: 148 score: 0 Blue is Player 1
XGID=--b-B-E-C---eB---a-dCb-a--:0:0:1:42:0:0:3:0:10
Original Position

1.	Rollout1	13/11 13/9	eq: +0.485
	Player: Opponent: 60.48% (G:18.14% B:0.95%) 39.52% (G:7.95% B:0.28%) Conf.: ± 0.014 (+0.471...+0.499) - [100.0%] Duration: 48.4 seconds
2.	Rollout1	20/16 6/4	eq: +0.442 (-0.043)
	Player: Opponent: 60.14% (G:16.50% B:0.75%) 39.86% (G:8.38% B:0.29%) Conf.: ± 0.014 (+0.428...+0.455) - [0.0%] Duration: 48.7 seconds
3.	Rollout1	20/14	eq: +0.416 (-0.069)
	Player: Opponent: 59.76% (G:16.59% B:0.68%) 40.24% (G:8.32% B:0.31%) Conf.: ± 0.013 (+0.402...+0.429) - [0.0%] Duration: 46.0 seconds
1 1296 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, each involving a White spare moved back 2 pips.

Three different best plays.

Nack

		White is Player 2 score: 0 pip: 155 Unlimited Game Jacoby Beaver pip: 148 score: 0 Blue is Player 1
XGID=--b-B-E-C---eB---b-cCb-a--:0:0:1:42:0:0:3:0:10
Variant 1: White

1.	Rollout1	20/16 6/4	eq: +0.403
	Player: Opponent: 59.38% (G:15.64% B:0.66%) 40.62% (G:8.20% B:0.30%) Conf.: ± 0.007 (+0.396...+0.411) - [99.6%] Duration: 1 hour 16 minutes
2.	Rollout1	20/14	eq: +0.390 (-0.013)
	Player: Opponent: 58.87% (G:16.39% B:0.63%) 41.13% (G:8.10% B:0.30%) Conf.: ± 0.007 (+0.383...+0.397) - [0.4%] Duration: 1 hour 10 minutes
3.	Rollout2	13/11 13/9	eq: +0.364 (-0.040)
	Player: Opponent: 57.72% (G:16.33% B:0.64%) 42.28% (G:7.36% B:0.29%) Conf.: ± 0.014 (+0.350...+0.378) - [0.0%] Duration: 12 minutes 17 seconds
1 5184 Games rolled with Variance Reduction. Dice Seed: 92447966 Moves: 3-ply, cube decisions: XG Roller 2 1296 Games rolled with Variance Reduction. Dice Seed: 92447966 Moves: 3-ply, cube decisions: XG Roller

		White is Player 2 score: 0 pip: 155 Unlimited Game Jacoby Beaver pip: 148 score: 0 Blue is Player 1
XGID=--b-B-E-C---eB---a-dCc----:0:0:1:42:0:0:3:0:10
Variant 2: White

1.	Rollout1	20/14	eq: +0.439
	Player: Opponent: 60.58% (G:15.29% B:0.65%) 39.42% (G:8.30% B:0.31%) Conf.: ± 0.007 (+0.432...+0.446) - [99.1%] Duration: 1 hour 13 minutes
2.	Rollout1	20/16 6/4	eq: +0.427 (-0.012)
	Player: Opponent: 60.12% (G:15.38% B:0.65%) 39.88% (G:8.28% B:0.29%) Conf.: ± 0.008 (+0.419...+0.434) - [0.9%] Duration: 1 hour 13 minutes
3.	Rollout2	13/11 13/9	eq: +0.410 (-0.029)
	Player: Opponent: 59.22% (G:16.64% B:0.63%) 40.78% (G:7.65% B:0.28%) Conf.: ± 0.010 (+0.400...+0.420) - [0.0%] Duration: 32 minutes 53 seconds
1 5184 Games rolled with Variance Reduction. Dice Seed: 2013160 Moves: 3-ply, cube decisions: XG Roller 2 2592 Games rolled with Variance Reduction. Dice Seed: 2013160 Moves: 3-ply, cube decisions: XG Roller

Messages In This Thread

• Position of the Day 01-08-26 - Mid game [42]
  Stick -- Thursday, 8 January 2026, at 5:40 p.m.
  • Position of the Day 01-08-26 - Mid game [42]
    John O'Hagan -- Thursday, 8 January 2026, at 6:52 p.m.
  • Position of the Day 01-08-26 - Mid game [42]
    Ian Shaw -- Friday, 9 January 2026, at 12:51 p.m.
  • Position of the Day 01-08-26 - Mid game [42]
    ah_clem -- Friday, 9 January 2026, at 2:09 p.m.
  • Position of the Day 01-08-26 - Mid game [42]
    Chuck Bower -- Friday, 9 January 2026, at 3:21 p.m.
  • Position of the Day 01-08-26 - Mid game [42]
    Negheonegu -- Saturday, 10 January 2026, at 1:53 p.m.
  • Position of the Day 01-08-26 - Mid game [42] - Rollout
    Stick -- Saturday, 10 January 2026, at 6:57 p.m.
    • Mid game [42] - Original and Two Variants
      Nack Ballard -- Monday, 12 January 2026, at 12:46 a.m.