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Example is not the main thing in influencing others. It is the only thing. -- Albert Schweitzer


interests / rec.games.backgammon / Hit?

SubjectAuthor
* Hit?Timothy Chow
`- Rollout: Hit?Timothy Chow

1
Hit?

<t4beaj$ls3$3@dont-email.me>

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https://www.novabbs.com/interests/article-flat.php?id=8715&group=rec.games.backgammon#8715

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Path: i2pn2.org!i2pn.org!eternal-september.org!reader02.eternal-september.org!.POSTED!not-for-mail
From: tchow12...@yahoo.com (Timothy Chow)
Newsgroups: rec.games.backgammon
Subject: Hit?
Date: Wed, 27 Apr 2022 08:52:34 -0400
Organization: A noiseless patient Spider
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 by: Timothy Chow - Wed, 27 Apr 2022 12:52 UTC

XGID=---aB-EbB---aD----abcbbAaA:1:1:1:52:0:0:0:0:10

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 O O X O |
| X | | O O O O |
| X | | O |
| X | | |
| | X | |
| |BAR| |
| | | X |
| | | X |
| | | X | +---+
| X O | | X X | | 2 |
| O X O | | X X O | +---+
+12-11-10--9--8--7-------6--5--4--3--2--1-+
Pip count X: 154 O: 120 X-O: 0-0
Cube: 2, X own cube
X to play 52

---
Tim Chow

Rollout: Hit?

<t4gkua$a3e$1@dont-email.me>

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From: tchow12...@yahoo.com (Timothy Chow)
Newsgroups: rec.games.backgammon
Subject: Rollout: Hit?
Date: Fri, 29 Apr 2022 08:16:09 -0400
Organization: A noiseless patient Spider
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 by: Timothy Chow - Fri, 29 Apr 2022 12:16 UTC

XGID=---aB-EbB---aD----abcbbAaA:1:1:1:52:0:0:0:0:10

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 O O X O |
| X | | O O O O |
| X | | O |
| X | | |
| | X | |
| |BAR| |
| | | X |
| | | X |
| | | X | +---+
| X O | | X X | | 2 |
| O X O | | X X O | +---+
+12-11-10--9--8--7-------6--5--4--3--2--1-+
Pip count X: 154 O: 120 X-O: 0-0
Cube: 2, X own cube
X to play 52

I found a good variant for this one.

1. Rollout¹ Bar/18* eq:-0.079
Player: 44.44% (G:12.44% B:0.69%)
Opponent: 55.56% (G:27.12% B:0.63%)
Confidence: ±0.011 (-0.090..-0.067) - [100.0%]

2. Rollout¹ Bar/23 13/8 eq:-0.253 (-0.174)
Player: 35.79% (G:7.59% B:0.29%)
Opponent: 64.21% (G:17.34% B:0.60%)
Confidence: ±0.008 (-0.261..-0.245) - [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

-------
Variant
-------

XGID=---aB-EbB---aD----accbbA-A:1:1:1:52:0:0:0:0:10

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 O O X |
| X | | O O O O |
| X | | O O |
| X | | |
| | X | |
| |BAR| |
| | | X |
| | | X |
| | | X | +---+
| X O | | X X | | 2 |
| O X O | | X X O | +---+
+12-11-10--9--8--7-------6--5--4--3--2--1-+
Pip count X: 154 O: 125 X-O: 0-0
Cube: 2, X own cube
X to play 52

1. Rollout¹ Bar/18* eq:-0.312
Player: 38.28% (G:10.35% B:0.53%)
Opponent: 61.72% (G:32.90% B:0.95%)
Confidence: ±0.010 (-0.322..-0.302) - [81.6%]

2. Rollout¹ Bar/23 13/8 eq:-0.318 (-0.006)
Player: 33.28% (G:6.41% B:0.23%)
Opponent: 66.72% (G:16.59% B:0.64%)
Confidence: ±0.009 (-0.327..-0.309) - [18.4%]

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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