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Understanding Backgammon Position #42 — 3-ply XG2 Rollout

Posted By: Taper_Mike
Date: Friday, 19 April 2013, at 2:37 a.m.

In Response To: Understanding Backgammon Position #42 (Igor)

White is Player 2 score: 0 pip: 144 Unlimited Game Jacoby Beaver pip: 169 score: 0 Blue is Player 1 XGID=-a---BBBB-B-dB-a-c-db--AB-:1:-1:1:42:0:0:3:0:10 Blue to play 42

1. Rollout1 24/18 eq: -0.3152 Player: Opponent: 48.77% (G:11.46% B:0.54%) 51.23% (G:20.53% B:1.15%) Conf.: ±0.0022 (-0.3174...-0.3129) - [77.0%] Duration: 5 hours 44 minutes 2. Rollout1 13/11 13/9 eq: -0.3163 (-0.0012) Player: Opponent: 48.59% (G:12.05% B:0.57%) 51.41% (G:19.90% B:1.86%) Conf.: ±0.0022 (-0.3186...-0.3141) - [23.0%] Duration: 5 hours 34 minutes   1 62208 Games rolled with Variance Reduction. Dice Seed: 14540591 Moves: 3-ply, cube decisions: XG Roller

Woolsey-Jones Understanding Backgammon Problem 42 Rollout by Taper_Mike 2013-Apr-18 eXtreme Gammon Version: 2.03 Woolsey-Jones.042-tm.xgp

eXtreme Gammon Version: 2.03

Woolsey-Jones, Problem 42 Kit’s solution is upheld by a whisker! It is odd, however, that Understanding Backgammon does not even mention a play that is virtually tied after 62k. Mike

Messages In This Thread

• Understanding Backgammon Position #42
  Igor -- Thursday, 4 April 2013, at 1:14 a.m.
  • Understanding Backgammon Position #42
    John O'Hagan -- Thursday, 4 April 2013, at 2:11 a.m.
    • Understanding Backgammon Position #42
      Taper_Mike -- Thursday, 4 April 2013, at 3:03 a.m.
  • Understanding Backgammon Position #42 — 3-ply XG2 Rollout
    Taper_Mike -- Friday, 19 April 2013, at 2:37 a.m.
    • 4-ply Rollout
      Igor -- Friday, 19 April 2013, at 2:46 p.m.