Rocksolid Light

Welcome to novaBBS (click a section below)

mail  files  register  newsreader  groups  login

Message-ID:  

Having no talent is no longer enough. -- Gore Vidal


interests / rec.games.backgammon / Some kind of cube action 2

SubjectAuthor
* Some kind of cube action 2Timothy Chow
`- Re: Some kind of cube action 2Timothy Chow

1
Some kind of cube action 2

<sudn0e$452$2@dont-email.me>

 copy mid

https://www.novabbs.com/interests/article-flat.php?id=8201&group=rec.games.backgammon#8201

 copy link   Newsgroups: rec.games.backgammon
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: Some kind of cube action 2
Date: Mon, 14 Feb 2022 08:55:25 -0500
Organization: A noiseless patient Spider
Lines: 23
Message-ID: <sudn0e$452$2@dont-email.me>
Mime-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
Injection-Date: Mon, 14 Feb 2022 13:55:26 -0000 (UTC)
Injection-Info: reader02.eternal-september.org; posting-host="682a6edee45746922cfb322f29d7d510";
logging-data="4258"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19p5fxuMUTi/Q1eqtNgfMjgMj2f3hvDR28="
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101
Thunderbird/91.6.0
Cancel-Lock: sha1:LIejRgvo/y9ZKqofT6eHOiNNQkI=
Content-Language: en-US
 by: Timothy Chow - Mon, 14 Feb 2022 13:55 UTC

XGID=--aBBBC-----bB-a-c-gB-Ba--:0:0:1:00:0:0:0:0:10

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 X O |
| X O | | O X X |
| O | | O |
| | | O |
| | | 7 |
| |BAR| |
| | | |
| | | |
| | | X |
| O | | X X X X |
| O | | X X X X O |
+12-11-10--9--8--7-------6--5--4--3--2--1-+
Pip count X: 152 O: 127 X-O: 0-0
Cube: 1
X on roll, cube action

---
Tim Chow

Re: Some kind of cube action 2

<suiu0r$kvn$2@dont-email.me>

 copy mid

https://www.novabbs.com/interests/article-flat.php?id=8210&group=rec.games.backgammon#8210

 copy link   Newsgroups: rec.games.backgammon
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: Re: Some kind of cube action 2
Date: Wed, 16 Feb 2022 08:25:46 -0500
Organization: A noiseless patient Spider
Lines: 52
Message-ID: <suiu0r$kvn$2@dont-email.me>
References: <sudn0e$452$2@dont-email.me>
Mime-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 8bit
Injection-Date: Wed, 16 Feb 2022 13:25:47 -0000 (UTC)
Injection-Info: reader02.eternal-september.org; posting-host="e7767415e89a94db719886fcbda4c23a";
logging-data="21495"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19mt2lXDYyiVU7H/Wyf0QujeurILL8rZWY="
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101
Thunderbird/91.6.0
Cancel-Lock: sha1:+l24UHkNMbhZ+YZ4hCOP/HMzkrw=
In-Reply-To: <sudn0e$452$2@dont-email.me>
Content-Language: en-US
 by: Timothy Chow - Wed, 16 Feb 2022 13:25 UTC

XGID=--aBBBC-----bB-a-c-gB-Ba--:0:0:1:00:0:0:0:0:10

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 X O |
| X O | | O X X |
| O | | O |
| | | O |
| | | 7 |
| |BAR| |
| | | |
| | | |
| | | X |
| O | | X X X X |
| O | | X X X X O |
+12-11-10--9--8--7-------6--5--4--3--2--1-+
Pip count X: 152 O: 127 X-O: 0-0
Cube: 1
X on roll, cube action

It didn't occur to me that X might be too good here. X is 25 pips
behind, O is not on the bar, and X has only a four-point board.
There are plenty of ways for X to regain his market in the next turn.

Analyzed in Rollout
No double
Player Winning Chances: 73.82% (G:34.72% B:1.59%)
Opponent Winning Chances: 26.18% (G:5.94% B:0.22%)
Double/Take
Player Winning Chances: 74.20% (G:35.41% B:1.75%)
Opponent Winning Chances: 25.80% (G:5.82% B:0.24%)

Cubeful Equities:
No double: +1.010
Double/Take: +1.386 (+0.377)
Double/Pass: +1.000 (-0.010)

Best Cube action: Too good to double / Pass
Percentage of wrong take needed to make the double decision right: 2.5%

Rollout:
1296 Games rolled with Variance Reduction.
Dice Seed: 271828
Moves: 3-ply, cube decisions: XG Roller
Confidence No Double: ± 0.011 (+0.999..+1.020)
Confidence Double: ± 0.017 (+1.369..+1.404)

eXtreme Gammon Version: 2.19.207.pre-release

---
Tim Chow

1
server_pubkey.txt

rocksolid light 0.9.7
clearnet tor