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interests / rec.games.backgammon / Mutual holding game

SubjectAuthor
* Mutual holding gameTimothy Chow
`* Rollout: Mutual holding gameTimothy Chow
 `- Re: Rollout: Mutual holding gameStick Rice

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Mutual holding game

<t0sosc$mps$2@dont-email.me>

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From: tchow12...@yahoo.com (Timothy Chow)
Newsgroups: rec.games.backgammon
Subject: Mutual holding game
Date: Wed, 16 Mar 2022 09:31:54 -0400
Organization: A noiseless patient Spider
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 by: Timothy Chow - Wed, 16 Mar 2022 13:31 UTC

XGID=-b--B-D-C-aBAA---cbc-Bb-b-:1:1:1:64:0:0:0:0:10

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 O |
| O O | | O X O O |
| O | | O |
| | | |
| | | |
| |BAR| |
| | | |
| | | X |
| X | | X | +---+
| X X | | X X O | | 2 |
| X X O X | | X X O | +---+
+12-11-10--9--8--7-------6--5--4--3--2--1-+
Pip count X: 145 O: 127 X-O: 0-0
Cube: 2, X own cube
X to play 64

---
Tim Chow

Rollout: Mutual holding game

<t11vpr$bma$1@dont-email.me>

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From: tchow12...@yahoo.com (Timothy Chow)
Newsgroups: rec.games.backgammon
Subject: Rollout: Mutual holding game
Date: Fri, 18 Mar 2022 09:00:41 -0400
Organization: A noiseless patient Spider
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 by: Timothy Chow - Fri, 18 Mar 2022 13:00 UTC

XGID=-b--B-D-C-aBAA---cbc-Bb-b-:1:1:1:64:0:0:0:0:10

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 O |
| O O | | O X O O |
| O | | O |
| | | |
| | | |
| |BAR| |
| | | |
| | | X |
| X | | X | +---+
| X X | | X X O | | 2 |
| X X O X | | X X O | +---+
+12-11-10--9--8--7-------6--5--4--3--2--1-+
Pip count X: 145 O: 127 X-O: 0-0
Cube: 2, X own cube
X to play 64

Typically, in a mutual holding game, one tries to avoid leaving
more shots than necessary. However, making the bar point here
is huge, and the rollout below says it's well worth the double
direct shot that it leaves.

1. Rollout¹ 13/7 11/7 eq:+0.496
Player: 59.71% (G:16.21% B:0.72%)
Opponent: 40.29% (G:11.50% B:0.26%)
Confidence: ±0.009 (+0.487..+0.506) - [100.0%]

2. Rollout¹ 13/9 12/6 eq:+0.402 (-0.094)
Player: 55.82% (G:16.94% B:0.72%)
Opponent: 44.18% (G:10.14% B:0.32%)
Confidence: ±0.011 (+0.391..+0.413) - [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

Re: Rollout: Mutual holding game

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Subject: Re: Rollout: Mutual holding game
From: bananabo...@gmail.com (Stick Rice)
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 by: Stick Rice - Sat, 19 Mar 2022 02:36 UTC

On Friday, March 18, 2022 at 9:00:45 AM UTC-4, Tim Chow wrote:
> XGID=-b--B-D-C-aBAA---cbc-Bb-b-:1:1:1:64:0:0:0:0:10
>
> 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 O |
> | O O | | O X O O |
> | O | | O |
> | | | |
> | | | |
> | |BAR| |
> | | | |
> | | | X |
> | X | | X | +---+
> | X X | | X X O | | 2 |
> | X X O X | | X X O | +---+
> +12-11-10--9--8--7-------6--5--4--3--2--1-+
> Pip count X: 145 O: 127 X-O: 0-0
> Cube: 2, X own cube
> X to play 64
> Typically, in a mutual holding game, one tries to avoid leaving
> more shots than necessary. However, making the bar point here
> is huge, and the rollout below says it's well worth the double
> direct shot that it leaves.
>
> 1. Rollout¹ 13/7 11/7 eq:+0.496
> Player: 59.71% (G:16.21% B:0.72%)
> Opponent: 40.29% (G:11.50% B:0.26%)
> Confidence: ±0.009 (+0.487..+0.506) - [100.0%]
>
> 2. Rollout¹ 13/9 12/6 eq:+0.402 (-0.094)
> Player: 55.82% (G:16.94% B:0.72%)
> Opponent: 44.18% (G:10.14% B:0.32%)
> Confidence: ±0.011 (+0.391..+0.413) - [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

This is not a mutual holding game.

Stick

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