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interests / rec.games.backgammon / It's gammon save

SubjectAuthor
* It's gammon saveTimothy Chow
+* Re: It's gammon saveRobert Zimmerman
|+* Re: It's gammon savepeps...@gmail.com
||`- Re: It's gammon saveRobert Zimmerman
|`- Re: It's gammon saveTimothy Chow
+- Re: It's gammon saveRobert Zimmerman
`- Rollout: It's gammon saveTimothy Chow

1
It's gammon save

<tuv6ck$1e77d$3@dont-email.me>

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From: tchow12...@yahoo.com (Timothy Chow)
Newsgroups: rec.games.backgammon
Subject: It's gammon save
Date: Thu, 16 Mar 2023 09:42:44 -0400
Organization: A noiseless patient Spider
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 by: Timothy Chow - Thu, 16 Mar 2023 13:42 UTC

Score is X:1 O:0 2 pt.(s) match.
+13-14-15-16-17-18------19-20-21-22-23-24-+
| X | | O O O X |
| X | | O O O X |
| | | O O |
| | | O |
| | | |
| |BAR| |
| | | |
| | | |
| X X | | X |
| X X | | X X |
| O X X | | X X |
+12-11-10--9--8--7-------6--5--4--3--2--1-+
Pip count X: 157 O: 44 X-O: 1-0/2 Crawford
Cube: 1
X to play 51

---
Tim Chow

Re: It's gammon save

<aa1d2fa9-af6b-444f-95df-1ea3ee211300n@googlegroups.com>

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Subject: Re: It's gammon save
From: zimbrook...@gmail.com (Robert Zimmerman)
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 by: Robert Zimmerman - Thu, 16 Mar 2023 16:26 UTC

On Thursday, March 16, 2023 at 9:42:46 AM UTC-4, Timothy Chow wrote:
> Score is X:1 O:0 2 pt.(s) match.
> +13-14-15-16-17-18------19-20-21-22-23-24-+
> | X | | O O O X |
> | X | | O O O X |
> | | | O O |
> | | | O |
> | | | |
> | |BAR| |
> | | | |
> | | | |
> | X X | | X |
> | X X | | X X |
> | O X X | | X X |
> +12-11-10--9--8--7-------6--5--4--3--2--1-+
> Pip count X: 157 O: 44 X-O: 1-0/2 Crawford
> Cube: 1
> X to play 51
>
> ---
> Tim Chow
Can't read it without XGID (google groupie).
Bob

Re: It's gammon save

<d681a450-5640-4275-8695-6c0beb30310bn@googlegroups.com>

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Subject: Re: It's gammon save
From: pepste...@gmail.com (peps...@gmail.com)
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 by: peps...@gmail.com - Thu, 16 Mar 2023 17:19 UTC

On Thursday, March 16, 2023 at 4:26:08 PM UTC, Robert Zimmerman wrote:
> On Thursday, March 16, 2023 at 9:42:46 AM UTC-4, Timothy Chow wrote:
> > Score is X:1 O:0 2 pt.(s) match.
> > +13-14-15-16-17-18------19-20-21-22-23-24-+
> > | X | | O O O X |
> > | X | | O O O X |
> > | | | O O |
> > | | | O |
> > | | | |
> > | |BAR| |
> > | | | |
> > | | | |
> > | X X | | X |
> > | X X | | X X |
> > | O X X | | X X |
> > +12-11-10--9--8--7-------6--5--4--3--2--1-+
> > Pip count X: 157 O: 44 X-O: 1-0/2 Crawford
> > Cube: 1
> > X to play 51
> >
> > ---
> > Tim Chow
> Can't read it without XGID (google groupie).
> Bob

It's readable via this website: https://bglog.org/rgbnews.html

Simon

Re: It's gammon save

<5391bb45-8928-4820-82f2-ebba71b76a81n@googlegroups.com>

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Subject: Re: It's gammon save
From: zimbrook...@gmail.com (Robert Zimmerman)
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 by: Robert Zimmerman - Thu, 16 Mar 2023 17:26 UTC

On Thursday, March 16, 2023 at 1:19:28 PM UTC-4, peps...@gmail.com wrote:
> On Thursday, March 16, 2023 at 4:26:08 PM UTC, Robert Zimmerman wrote:
> > On Thursday, March 16, 2023 at 9:42:46 AM UTC-4, Timothy Chow wrote:
> > > Score is X:1 O:0 2 pt.(s) match.
> > > +13-14-15-16-17-18------19-20-21-22-23-24-+
> > > | X | | O O O X |
> > > | X | | O O O X |
> > > | | | O O |
> > > | | | O |
> > > | | | |
> > > | |BAR| |
> > > | | | |
> > > | | | |
> > > | X X | | X |
> > > | X X | | X X |
> > > | O X X | | X X |
> > > +12-11-10--9--8--7-------6--5--4--3--2--1-+
> > > Pip count X: 157 O: 44 X-O: 1-0/2 Crawford
> > > Cube: 1
> > > X to play 51
> > >
> > > ---
> > > Tim Chow
> > Can't read it without XGID (google groupie).
> > Bob
> It's readable via this website: https://bglog.org/rgbnews.html
>
> Simon
Thanks!

Re: It's gammon save

<a3a60824-dad7-49e9-8c70-833a007ef411n@googlegroups.com>

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Subject: Re: It's gammon save
From: zimbrook...@gmail.com (Robert Zimmerman)
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 by: Robert Zimmerman - Thu, 16 Mar 2023 17:45 UTC

On Thursday, March 16, 2023 at 9:42:46 AM UTC-4, Timothy Chow wrote:
> Score is X:1 O:0 2 pt.(s) match.
> +13-14-15-16-17-18------19-20-21-22-23-24-+
> | X | | O O O X |
> | X | | O O O X |
> | | | O O |
> | | | O |
> | | | |
> | |BAR| |
> | | | |
> | | | |
> | X X | | X |
> | X X | | X X |
> | O X X | | X X |
> +12-11-10--9--8--7-------6--5--4--3--2--1-+
> Pip count X: 157 O: 44 X-O: 1-0/2 Crawford
> Cube: 1
> X to play 51
>
> ---
> Tim Chow
Since our board is good and can improve, I'd play 24/19, preferring to hit rather than be hit with 18/13. Then the one. That's tough. If we split the 18 point and get hit on 17, we're left with only a few indirect shots. Preserving the 18 would block 8s and 44. I'd play 6/5.
24/19 6/5
Bob

Rollout: It's gammon save

<tv74ac$31a4m$1@dont-email.me>

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From: tchow12...@yahoo.com (Timothy Chow)
Newsgroups: rec.games.backgammon
Subject: Rollout: It's gammon save
Date: Sun, 19 Mar 2023 09:56:27 -0400
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 by: Timothy Chow - Sun, 19 Mar 2023 13:56 UTC

XGID=-----BCCC-a-------B--dcbB-:0:0:1:51:1:0:1:2:10

Score is X:1 O:0 2 pt.(s) match.
+13-14-15-16-17-18------19-20-21-22-23-24-+
| X | | O O O X |
| X | | O O O X |
| | | O O |
| | | O |
| | | |
| |BAR| |
| | | |
| | | |
| X X | | X |
| X X | | X X |
| O X X | | X X |
+12-11-10--9--8--7-------6--5--4--3--2--1-+
Pip count X: 157 O: 44 X-O: 1-0/2 Crawford
Cube: 1
X to play 51

This is a somewhat unusual position where the irrelevance of
backgammons makes a significant difference, even though it might
seem that the backgammon is a long way off.

1. Rollout¹ 8/3 6/5 eq:-1.241
Player: 32.33% (G:0.00% B:0.00%)
Opponent: 67.67% (G:44.41% B:30.48%)
Confidence: ±0.010 (-1.252..-1.231) - [94.5%]

2. Rollout¹ 18/17 8/3 eq:-1.254 (-0.012)
Player: 32.24% (G:0.00% B:0.00%)
Opponent: 67.76% (G:44.93% B:32.38%)
Confidence: ±0.010 (-1.263..-1.244) - [4.4%]

3. Rollout¹ 8/3 7/6 eq:-1.257 (-0.016)
Player: 31.90% (G:0.00% B:0.00%)
Opponent: 68.10% (G:44.77% B:30.96%)
Confidence: ±0.010 (-1.267..-1.248) - [1.1%]

4. Rollout¹ 24/19 6/5 eq:-1.329 (-0.088)
Player: 32.95% (G:0.00% B:0.00%)
Opponent: 67.05% (G:49.42% B:8.84%)
Confidence: ±0.010 (-1.339..-1.320) - [0.0%]

5. Rollout¹ 24/19 7/6 eq:-1.350 (-0.108)
Player: 32.13% (G:0.00% B:0.00%)
Opponent: 67.87% (G:49.61% B:8.38%)
Confidence: ±0.009 (-1.359..-1.340) - [0.0%]

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

eXtreme Gammon Version: 2.19.211.pre-release, MET: Kazaross XG2

-----
Money
-----

XGID=-----BCCC-a-------B--dcbB-:1:1:1:51:0:0:0:0:10

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 |
| X | | O O O X |
| | | O O |
| | | O |
| | | |
| |BAR| |
| | | |
| | | |
| X X | | X | +---+
| X X | | X X | | 2 |
| O X X | | X X | +---+
+12-11-10--9--8--7-------6--5--4--3--2--1-+
Pip count X: 157 O: 44 X-O: 0-0
Cube: 2, X own cube
X to play 51

1. Rollout¹ 24/19 6/5 eq:-0.716
Player: 32.95% (G:0.00% B:0.00%)
Opponent: 67.05% (G:50.72% B:2.97%)
Confidence: ±0.011 (-0.727..-0.706) - [99.0%]

2. Rollout¹ 24/19 7/6 eq:-0.734 (-0.018)
Player: 32.31% (G:0.00% B:0.00%)
Opponent: 67.69% (G:51.00% B:2.97%)
Confidence: ±0.011 (-0.745..-0.724) - [1.0%]

3. Rollout¹ 24/19 8/7 eq:-0.739 (-0.023)
Player: 32.38% (G:0.00% B:0.00%)
Opponent: 67.62% (G:51.57% B:3.05%)
Confidence: ±0.010 (-0.749..-0.729) - [0.1%]

4. Rollout¹ 8/3 6/5 eq:-0.791 (-0.075)
Player: 31.72% (G:0.00% B:0.00%)
Opponent: 68.28% (G:48.83% B:9.41%)
Confidence: ±0.010 (-0.801..-0.781) - [0.0%]

5. Rollout¹ 18/17 8/3 eq:-0.805 (-0.088)
Player: 31.74% (G:0.00% B:0.00%)
Opponent: 68.26% (G:49.42% B:10.19%)
Confidence: ±0.010 (-0.815..-0.795) - [0.0%]

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

eXtreme Gammon Version: 2.19.211.pre-release

---
Tim Chow

Re: It's gammon save

<tv74bq$31a4m$3@dont-email.me>

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From: tchow12...@yahoo.com (Timothy Chow)
Newsgroups: rec.games.backgammon
Subject: Re: It's gammon save
Date: Sun, 19 Mar 2023 09:57:14 -0400
Organization: A noiseless patient Spider
Lines: 8
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 by: Timothy Chow - Sun, 19 Mar 2023 13:57 UTC

On 3/16/2023 12:26 PM, Robert Zimmerman wrote:
> Can't read it without XGID (google groupie).

Whoops, sorry about that.

---
Tim Chow

1
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