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PotD 02-19-26 - Three Variants

Posted By: Nack Ballard
Date: Friday, 27 February 2026, at 3:27 p.m.

In Response To: Position of the Day 02-19-20 - Rollout (Stick)

		White is Player 2 score: 0 pip: 154 Unlimited Game Jacoby Beaver pip: 156 score: 0 Blue is Player 1
XGID=-aaB-BC-BA--dB--ab-bbb-AB-:0:0:1:31:0:0:3:0:10
Original Position

1.	Rollout1	9/5	eq: -0.449
	Player: Opponent: 37.83% (G:14.97% B:0.67%) 62.17% (G:21.83% B:1.62%) Conf.: ± 0.018 (-0.467...-0.432) - [100.0%] Duration: 34.8 seconds
2.	Rollout1	24/23 9/6	eq: -0.494 (-0.045)
	Player: Opponent: 36.95% (G:14.17% B:0.56%) 63.05% (G:21.53% B:1.37%) Conf.: ± 0.016 (-0.510...-0.478) - [0.0%] Duration: 35.4 seconds
3.	Rollout1	23/22 9/6	eq: -0.508 (-0.059)
	Player: Opponent: 36.86% (G:13.66% B:0.63%) 63.14% (G:21.63% B:1.62%) Conf.: ± 0.015 (-0.524...-0.493) - [0.0%] Duration: 35.3 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 contrasting variants. Altogether: four positions with four different best plays.

Nack

		White is Player 2 score: 0 pip: 152 Unlimited Game Jacoby Beaver pip: 156 score: 0 Blue is Player 1
XGID=-aaB-BC-BA--cBa-ab-bbb-AB-:0:0:1:31:0:0:3:0:10
Variant 1: A White 13pt spare is on her 11pt

1.	Rollout1	6/2*	eq: -0.544
	Player: Opponent: 36.73% (G:14.44% B:1.24%) 63.27% (G:27.60% B:3.17%) Conf.: ± 0.014 (-0.558...-0.529) - [91.8%] Duration: 38 minutes 07 seconds
2.	Rollout1	9/5	eq: -0.557 (-0.013)
	Player: Opponent: 35.23% (G:13.00% B:0.64%) 64.77% (G:23.52% B:1.82%) Conf.: ± 0.012 (-0.568...-0.545) - [8.2%] Duration: 31 minutes 43 seconds
3.	Rollout2	23/22 9/6	eq: -0.592 (-0.048)
	Player: Opponent: 34.37% (G:12.94% B:0.85%) 65.63% (G:23.53% B:2.04%) Conf.: ± 0.022 (-0.614...-0.570) - [0.0%] Duration: 7 minutes 49 seconds
4.	Rollout2	24/23 9/6	eq: -0.618 (-0.074)
	Player: Opponent: 34.12% (G:12.40% B:0.61%) 65.88% (G:22.87% B:1.53%) Conf.: ± 0.021 (-0.639...-0.596) - [0.0%] Duration: 7 minutes 49 seconds
1 5184 Games rolled with Variance Reduction. Dice Seed: 47300933 Moves: 3-ply, cube decisions: XG Roller 2 1296 Games rolled with Variance Reduction. Dice Seed: 47300933 Moves: 3-ply, cube decisions: XG Roller

		White is Player 2 score: 0 pip: 155 Unlimited Game Jacoby Beaver pip: 156 score: 0 Blue is Player 1
XGID=-aaB-BC-BA--dB--ba-bbb-AB-:0:0:1:31:0:0:3:0:10
Variant 2: A White 8pt checker is nudged back to her 9pt

1.	Rollout1	24/23 9/6	eq: -0.340
	Player: Opponent: 40.76% (G:16.72% B:0.76%) 59.24% (G:20.79% B:1.41%) Conf.: ± 0.010 (-0.349...-0.330) - [87.9%] Duration: 35 minutes 39 seconds
2.	Rollout1	9/5	eq: -0.348 (-0.008)
	Player: Opponent: 40.52% (G:16.49% B:0.84%) 59.48% (G:20.92% B:1.60%) Conf.: ± 0.010 (-0.357...-0.338) - [12.0%] Duration: 35 minutes 22 seconds
3.	Rollout2	23/22 9/6	eq: -0.430 (-0.091)
	Player: Opponent: 38.81% (G:15.52% B:0.88%) 61.19% (G:21.82% B:1.71%) Conf.: ± 0.018 (-0.449...-0.412) - [0.0%] Duration: 5 minutes 49 seconds
4.	Rollout2	6/2*	eq: -0.444 (-0.105)
	Player: Opponent: 39.75% (G:15.66% B:1.08%) 60.25% (G:25.22% B:2.80%) Conf.: ± 0.020 (-0.464...-0.425) - [0.0%] Duration: 6 minutes 19 seconds
1 5184 Games rolled with Variance Reduction. Dice Seed: 43797767 Moves: 3-ply, cube decisions: XG Roller 2 1296 Games rolled with Variance Reduction. Dice Seed: 43797767 Moves: 3-ply, cube decisions: XG Roller

		White is Player 2 score: 0 pip: 168 Unlimited Game Jacoby Beaver pip: 156 score: 0 Blue is Player 1
XGID=-abB-BC-BA--dB---b-bbb-AB-:0:0:1:31:0:0:3:0:10
Variant 3: White has a third checker back

1.	Rollout1	23/22 9/6	eq: -0.285
	Player: Opponent: 42.39% (G:16.18% B:1.01%) 57.61% (G:19.27% B:1.33%) Conf.: ± 0.010 (-0.295...-0.275) - [99.5%] Duration: 48 minutes 52 seconds
2.	Rollout1	9/5	eq: -0.303 (-0.018)
	Player: Opponent: 41.88% (G:16.32% B:0.98%) 58.12% (G:20.26% B:1.38%) Conf.: ± 0.009 (-0.312...-0.294) - [0.5%] Duration: 48 minutes 24 seconds
3.	Rollout2	24/23 9/6	eq: -0.327 (-0.042)
	Player: Opponent: 41.31% (G:15.41% B:0.86%) 58.69% (G:19.83% B:1.11%) Conf.: ± 0.018 (-0.345...-0.309) - [0.0%] Duration: 23 minutes 09 seconds
1 5184 Games rolled with Variance Reduction. Dice Seed: 38994687 Moves: 3-ply, cube decisions: XG Roller 2 1296 Games rolled with Variance Reduction. Dice Seed: 38994687 Moves: 3-ply, cube decisions: XG Roller

Messages In This Thread

• Position of the Day 02-19-20
  Stick -- Saturday, 21 February 2026, at 3:08 a.m.
  • Position of the Day 02-19-20
    John O'Hagan -- Saturday, 21 February 2026, at 12:51 p.m.
  • Position of the Day 02-19-20
    ah_clem -- Saturday, 21 February 2026, at 7:08 p.m.
  • Position of the Day 02-19-20
    Chuck Bower -- Saturday, 21 February 2026, at 7:22 p.m.
  • Position of the Day 02-19-20 - Rollout
    Stick -- Wednesday, 25 February 2026, at 7:02 a.m.
    • PotD 02-19-26 - Three Variants
      Nack Ballard -- Friday, 27 February 2026, at 3:27 p.m.
      • PotD 02-19-26 - Three Variants
        Stick -- Saturday, 28 February 2026, at 5:59 a.m.
        • PotD 02-19-26 - Three Variants
          Nack Ballard -- Saturday, 28 February 2026, at 6:50 p.m.
          • PotD 02-19-26 - Three Variants
            konstantin -- Tuesday, 3 March 2026, at 9:03 a.m.
            • PotD 02-19-26 - Three Variants
              Nack Ballard -- Saturday, 14 March 2026, at 9:40 p.m.