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interests / rec.games.backgammon / In this simple no-contact checker play, would you waste 0.05 equity?

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* In this simple no-contact checker play, would you waste 0.05 equity?peps...@gmail.com
`- Re: In this simple no-contact checker play, would you waste 0.05Timothy Chow

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In this simple no-contact checker play, would you waste 0.05 equity?

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Subject: In this simple no-contact checker play, would you waste 0.05 equity?
From: pepste...@gmail.com (peps...@gmail.com)
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 by: peps...@gmail.com - Fri, 29 Apr 2022 09:26 UTC

Doesn't 13/8 7/6 look more natural because less wasteful?
Who would play 8/3 here?

Paul

XGID=-C-B--------a----baebca---:1:-1:-1:51:0:0:3:0:10
X:eXtremeGammon O:Daniel

Score is X:0 O:0. Unlimited Game, Jacoby Beaver
+13-14-15-16-17-18------19-20-21-22-23-24-+
| X | | O O |
| | | O O |
| | | O |
| | | |
| | | |
| |BAR| |
| | | X |
| | | X |
| | | X X | +---+
| X | | X X X | | 2 |
| X X | | X X X X | +---+
+12-11-10--9--8--7-------6--5--4--3--2--1-+
Pip count X: 91 O: 9 X-O: 0-0
Cube: 2, X own cube
X to play 51

1. 4-ply 8/3 7/6 eq:-1.488
Player: 0.00% (G:0.00% B:0.00%)
Opponent: 100.00% (G:48.80% B:0.00%)

2. 4-ply 13/8 7/6 eq:-1.534 (-0.046)
Player: 0.00% (G:0.00% B:0.00%)
Opponent: 100.00% (G:53.43% B:0.00%)

3. 4-ply 8/2 eq:-1.812 (-0.324)
Player: 0.00% (G:0.00% B:0.00%)
Opponent: 100.00% (G:81.16% B:0.00%)

4. 4-ply 8/7 6/1 eq:-1.847 (-0.359)
Player: 0.00% (G:0.00% B:0.00%)
Opponent: 100.00% (G:84.70% B:0.00%)

5. 3-ply 13/12 8/3 eq:-1.576 (-0.088)
Player: 0.02% (G:0.00% B:0.00%)
Opponent: 99.98% (G:57.61% B:0.00%)

eXtreme Gammon Version: 2.10

Re: In this simple no-contact checker play, would you waste 0.05 equity?

<t4gk10$410$1@dont-email.me>

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From: tchow12...@yahoo.com (Timothy Chow)
Newsgroups: rec.games.backgammon
Subject: Re: In this simple no-contact checker play, would you waste 0.05
equity?
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 by: Timothy Chow - Fri, 29 Apr 2022 12:00 UTC

On 4/29/2022 5:26 AM, peps...@gmail.com wrote:
> Doesn't 13/8 7/6 look more natural because less wasteful?
> Who would play 8/3 here?
>
> Paul
>
> XGID=-C-B--------a----baebca---:1:-1:-1:51:0:0:3:0:10
> X:eXtremeGammon O:Daniel
>
> Score is X:0 O:0. Unlimited Game, Jacoby Beaver
> +13-14-15-16-17-18------19-20-21-22-23-24-+
> | X | | O O |
> | | | O O |
> | | | O |
> | | | |
> | | | |
> | |BAR| |
> | | | X |
> | | | X |
> | | | X X | +---+
> | X | | X X X | | 2 |
> | X X | | X X X X | +---+
> +12-11-10--9--8--7-------6--5--4--3--2--1-+
> Pip count X: 91 O: 9 X-O: 0-0
> Cube: 2, X own cube
> X to play 51

You're saving the gammon, so crossovers matter a lot more than pips.
You're going to need three crossovers regardless.
8/3 means you'll be able to get a crossover if you roll an ace.
Ensuring you can get a crossover with an ace is a common theme
when it comes to saving the gammon.

---
Tim Chow

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