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Rollout + 2 variants

Posted By: Timothy Chow
Date: Tuesday, 20 August 2024, at 1:54 p.m.

In Response To: HIt on the ace point? Problem 3 (Timothy Chow)

XG says that the choice between 6/1* and 6/4 6/3 is clear in the original position, but not so clear in the two variants below.

		White is Player 2 score: 0 pip: 128 Unlimited Game pip: 118 score: 0 Blue is Player 1
XGID=-aB-BbEB---Bb------cBcb-b-:0:0:1:32:0:0:0:0:10
Blue to play 32

1.	Rollout1	6/4 6/3	eq: +0.312
	Player: Opponent: 57.77% (G:14.56% B:0.51%) 42.23% (G:9.41% B:0.19%) Conf.: ± 0.012 (+0.300...+0.325) - [100.0%] Duration: 2 minutes 54 seconds
2.	Rollout1	6/1*	eq: +0.207 (-0.105)
	Player: Opponent: 55.86% (G:11.62% B:0.30%) 44.14% (G:9.68% B:0.25%) Conf.: ± 0.012 (+0.195...+0.219) - [0.0%] Duration: 3 minutes 17 seconds
1 1296 Games rolled with Variance Reduction. Dice Seed: 62908879 Moves: 3-ply, cube decisions: XG Roller

eXtreme Gammon Version: 2.19.211.pre-release

---

Variant 1:

		White is Player 2 score: 0 pip: 128 Unlimited Game pip: 120 score: 0 Blue is Player 1
XGID=-aB-BbE-B--Bb------cBcb-b-:0:0:1:32:0:0:0:0:10
Blue to play 32

1.	Rollout1	6/4 6/3	eq: +0.127
	Player: Opponent: 53.62% (G:11.84% B:0.42%) 46.38% (G:10.44% B:0.23%) Conf.: ± 0.006 (+0.120...+0.133) - [99.2%] Duration: 13 minutes 01 second
2.	Rollout1	6/1*	eq: +0.116 (-0.010)
	Player: Opponent: 53.70% (G:10.61% B:0.31%) 46.30% (G:10.66% B:0.25%) Conf.: ± 0.006 (+0.111...+0.122) - [0.8%] Duration: 13 minutes 34 seconds
1 5184 Games rolled with Variance Reduction. Dice Seed: 62908879 Moves: 3-ply, cube decisions: XG Roller

eXtreme Gammon Version: 2.19.211.pre-release

---

Variant 2:

		White is Player 2 score: 0 pip: 128 Unlimited Game pip: 124 score: 0 Blue is Player 1
XGID=-a--CbFB---Bb------cBcb-b-:0:0:1:32:0:0:0:0:10
Blue to play 32

1.	Rollout1	6/4 6/3	eq: +0.055
	Player: Opponent: 51.67% (G:10.66% B:0.38%) 48.33% (G:10.26% B:0.24%) Conf.: ± 0.006 (+0.049...+0.060) - [100.0%] Duration: 14 minutes 03 seconds
2.	Rollout1	6/1*	eq: +0.038 (-0.017)
	Player: Opponent: 51.53% (G:9.58% B:0.29%) 48.47% (G:10.57% B:0.23%) Conf.: ± 0.006 (+0.032...+0.043) - [0.0%] Duration: 14 minutes 20 seconds
1 5184 Games rolled with Variance Reduction. Dice Seed: 62908879 Moves: 3-ply, cube decisions: XG Roller

eXtreme Gammon Version: 2.19.211.pre-release

Messages In This Thread

• HIt on the ace point? Problem 3
  Timothy Chow -- Saturday, 17 August 2024, at 4:14 p.m.
  • HIt on the ace point? Problem 3
    John O'Hagan -- Saturday, 17 August 2024, at 5:58 p.m.
    • HIt on the ace point? Problem 3
      Bob Koca -- Saturday, 17 August 2024, at 11:02 p.m.
  • HIt on the ace point? Problem 3
    Bob Koca -- Saturday, 17 August 2024, at 11:00 p.m.
  • HIt on the ace point? Problem 3
    ah_clem -- Sunday, 18 August 2024, at 1:56 a.m.
  • Rollout + 2 variants
    Timothy Chow -- Tuesday, 20 August 2024, at 1:54 p.m.