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Rollout: 51S-53P-62S-53S-11

Posted By: Timothy Chow
Date: Friday, 2 September 2011, at 12:40 a.m.

In Response To: 51S-53P-62S-53S-11 (Timothy Chow)

The rollout below slightly favors P. I also rolled out the variant position 41D-53P-21S-53S-11, in which Blue is 6 pips further behind in the race and has blots that are less exposed to attack. In the variant, the rollout slightly favors N.

The original thread in rec.games.backgammon may be found here.

		White is Player 1 score: 0 pip: 151 Money session Jacoby Beaver pip: 153 score: 0 Blue is Player 2
XGID=-a--a-E-D--AdC---cAd--bA--:0:0:1:11:0:0:3:0:10
Blue to play 11

1.	Rollout1	6/4*(2)	eq: +0.169
	Player: Opponent: 54.54% (G:15.13% B:0.76%) 45.46% (G:14.17% B:0.64%) Conf: ± 0.011 (+0.158...+0.180) Duration: 9 hours 56 minutes
2.	Rollout1	8/7(2) 6/5(2)	eq: +0.157 (-0.012)
	Player: Opponent: 55.50% (G:12.46% B:0.62%) 44.50% (G:14.61% B:0.57%) Conf: ± 0.010 (+0.147...+0.167) Duration: 9 hours 08 minutes
1 5184 Games rolled with Variance Reduction. Dice Seed: 2 Moves and cube decisions: 3 ply

eXtreme Gammon Version: 1.21

---

Variant (41D-53P-21S-53S-11):

		White is Player 1 score: 0 pip: 151 Money session Jacoby Beaver pip: 159 score: 0 Blue is Player 2
XGID=-a--a-E-D--AdC---c-d--bAA-:0:0:1:11:0:0:3:0:10
Blue to play 11

1.	Rollout1	8/7(2) 6/5(2)	eq: +0.192
	Player: Opponent: 55.79% (G:13.99% B:0.67%) 44.21% (G:14.06% B:0.60%) Conf: ± 0.011 (+0.181...+0.203) Duration: 9 hours 44 minutes
2.	Rollout1	6/4*(2)	eq: +0.174 (-0.018)
	Player: Opponent: 54.25% (G:16.86% B:0.77%) 45.75% (G:13.84% B:0.73%) Conf: ± 0.011 (+0.163...+0.185) Duration: 9 hours 39 minutes
1 5184 Games rolled with Variance Reduction. Dice Seed: 2 Moves and cube decisions: 3 ply

eXtreme Gammon Version: 1.21

Messages In This Thread

• 51S-53P-62S-53S-11
  Timothy Chow -- Tuesday, 30 August 2011, at 2:35 p.m.
  • 51S-53P-62S-53S-11
    Daniel Murphy -- Tuesday, 30 August 2011, at 3:42 p.m.
  • 51S-53P-62S-53S-11
    Nack Ballard -- Wednesday, 31 August 2011, at 5:51 p.m.
  • Rollout: 51S-53P-62S-53S-11
    Timothy Chow -- Friday, 2 September 2011, at 12:40 a.m.
    • Rollout: 51S-53P-62S-53S-11
      Stick -- Friday, 2 September 2011, at 5:04 a.m.
      • 41T-53P-62S-53S-11
        Timothy Chow -- Friday, 2 September 2011, at 5:38 p.m.
        • 52D-53P-51U-53S-11 *NM*
          Nack Ballard -- Friday, 2 September 2011, at 6:36 p.m.
      • Rollout: 51S-53P-62S-53S-11
        Nack Ballard -- Friday, 2 September 2011, at 6:35 p.m.
    • 51S-53P-62S-53S-11, another rollout
      Nack Ballard -- Friday, 2 September 2011, at 6:27 p.m.