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interests / rec.games.backgammon / Can't clear from the rear

Can't clear from the rear

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From: tchow12...@yahoo.com (Timothy Chow)
Newsgroups: rec.games.backgammon
Subject: Can't clear from the rear
Date: Sun, 23 Jan 2022 10:39:02 -0500
Organization: A noiseless patient Spider
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by: Timothy Chow - Sun, 23 Jan 2022 15:39 UTC

XGID=--bCDbDD---------b-cbaba--:1:-1:1:22:0:0:0:0:10

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-+
| O | | O O O O O | +---+
| O | | O O O | | 2 |
| | | O | +---+
| | | |
| | | |
| |BAR| |
| | | |
| X | | X X |
| X | | X X X |
| X | | X O X X O |
| X | | X O X X O |
+12-11-10--9--8--7-------6--5--4--3--2--1-+
Pip count X: 77 O: 142 X-O: 0-0
Cube: 2, O own cube
X to play 22

---
Tim Chow

Rollout: Can't clear from the rear

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From: tchow12...@yahoo.com (Timothy Chow)
Newsgroups: rec.games.backgammon
Subject: Rollout: Can't clear from the rear
Date: Tue, 25 Jan 2022 08:54:20 -0500
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by: Timothy Chow - Tue, 25 Jan 2022 13:54 UTC

XGID=--bCDbDD---------b-cbaba--:1:-1:1:22:0:0:0:0:10

Some of my biggest blunders arise because I play quickly by instinct
instead of thinking through the position. Here I rejected 6/4(4)
instinctively because of the huge ugly stack, and also because of
an instinct that the 6pt is valuable. But dumping checkers to the 1pt
and creating a gap on the 3pt in front of O's anchor is far worse.
The result is highly inflexible, creating several immediate blotting
rolls as well as long-term blotting danger.

1. Rollout¹ 6/4(4) eq:+0.548
Player: 73.21% (G:17.64% B:0.48%)
Opponent: 26.79% (G:1.69% B:0.05%)
Confidence: ±0.009 (+0.539..+0.557) - [100.0%]

2. Rollout¹ 6/4 3/1(3) eq:+0.029 (-0.519)
Player: 54.89% (G:14.38% B:0.24%)
Opponent: 45.11% (G:7.23% B:0.29%)
Confidence: ±0.009 (+0.020..+0.038) - [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

Subject	Author
Can't clear from the rear	Timothy Chow
Rollout: Can't clear from the rear	Timothy Chow