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interests / rec.games.backgammon / Mutual holding game with stragglers

SubjectAuthor
* Mutual holding game with stragglersTimothy Chow
`- Rollout: Mutual holding game with stragglersTimothy Chow

1
Mutual holding game with stragglers

<t393l5$tpb$2@dont-email.me>

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From: tchow12...@yahoo.com (Timothy Chow)
Newsgroups: rec.games.backgammon
Subject: Mutual holding game with stragglers
Date: Thu, 14 Apr 2022 08:21:58 -0400
Organization: A noiseless patient Spider
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 by: Timothy Chow - Thu, 14 Apr 2022 12:21 UTC

XGID=-a-B--DbC---cC---bbcB-b--A:0:0:1:52:0:0:0:0:10

X:Player 1 O:Player 2
Score is X:0 O:0. Unlimited Game
+13-14-15-16-17-18------19-20-21-22-23-24-+
| X O O | | O X O |
| X O O | | O X O |
| X | | O |
| | | |
| | X | |
| |BAR| |
| | | |
| | | X |
| O X | | X |
| O X O | | X X |
| O X O | | X X O |
+12-11-10--9--8--7-------6--5--4--3--2--1-+
Pip count X: 158 O: 153 X-O: 0-0
Cube: 1
X to play 52

---
Tim Chow

Rollout: Mutual holding game with stragglers

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From: tchow12...@yahoo.com (Timothy Chow)
Newsgroups: rec.games.backgammon
Subject: Rollout: Mutual holding game with stragglers
Date: Sun, 17 Apr 2022 09:16:15 -0400
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 by: Timothy Chow - Sun, 17 Apr 2022 13:16 UTC

XGID=-a-B--DbC---cC---bbcB-b--A:0:0:1:52:0:0:0:0:10

X:Player 1 O:Player 2
Score is X:0 O:0. Unlimited Game
+13-14-15-16-17-18------19-20-21-22-23-24-+
| X O O | | O X O |
| X O O | | O X O |
| X | | O |
| | | |
| | X | |
| |BAR| |
| | | |
| | | X |
| O X | | X |
| O X O | | X X |
| O X O | | X X O |
+12-11-10--9--8--7-------6--5--4--3--2--1-+
Pip count X: 158 O: 153 X-O: 0-0
Cube: 1
X to play 52

In some ways, this position follows the same theme as the previous
position ("Hit?") in that the seemingly inflexible stacking-up play
of bar/20 8/6 is XG's favorite by far. The race is even and X would
like to run his third checker back at the earliest opportunity. After
bar/20, playing 13/11 or 6/4 volunteers a shot for insufficient
compensation.

1. Rollout¹ Bar/20 8/6 eq:-0.051
Player: 47.59% (G:9.72% B:0.28%)
Opponent: 52.41% (G:7.76% B:0.28%)
Confidence: ±0.012 (-0.064..-0.039) - [100.0%]

2. Rollout¹ Bar/23 13/8 eq:-0.137 (-0.086)
Player: 45.48% (G:10.12% B:0.31%)
Opponent: 54.52% (G:9.01% B:0.33%)
Confidence: ±0.012 (-0.149..-0.126) - [0.0%]

3. Rollout¹ Bar/20 6/4 eq:-0.152 (-0.101)
Player: 45.54% (G:9.71% B:0.31%)
Opponent: 54.46% (G:9.50% B:0.32%)
Confidence: ±0.011 (-0.163..-0.141) - [0.0%]

4. Rollout¹ Bar/20 13/11 eq:-0.155 (-0.103)
Player: 45.28% (G:10.05% B:0.33%)
Opponent: 54.72% (G:9.28% B:0.33%)
Confidence: ±0.013 (-0.168..-0.141) - [0.0%]

¹ 1296 Games rolled with Variance Reduction.
Dice Seed: 271828
Moves: 3-ply, cube decisions: XG Roller

eXtreme Gammon Version: 2.19.207.pre-release

---
Tim Chow

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