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interests / rec.games.backgammon / Rollout: 5-away/3-away checker play

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* 5-away/3-away checker playTimothy Chow
`- Rollout: 5-away/3-away checker playTimothy Chow

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5-away/3-away checker play

<ur2c9c$2hkp3$2@dont-email.me>

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From: tchow12...@yahoo.com (Timothy Chow)
Newsgroups: rec.games.backgammon
Subject: 5-away/3-away checker play
Date: Tue, 20 Feb 2024 09:17:16 -0500
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 by: Timothy Chow - Tue, 20 Feb 2024 14:17 UTC

XGID=----CbE-B---cC---bbb-bbB--:0:0:1:63:2:4:0:7:10

Score is X:2 O:4 7 pt.(s) match.
+13-14-15-16-17-18------19-20-21-22-23-24-+
| X O O | | O O O X |
| X O O | | O O O X |
| X | | |
| | | |
| | | |
| |BAR| |
| | | X |
| | | X |
| O | | X X |
| O X | | X O X |
| O X | | X O X |
+12-11-10--9--8--7-------6--5--4--3--2--1-+
Pip count X: 143 O: 135 X-O: 2-4/7
Cube: 1
X to play 63

---
Tim Chow

Rollout: 5-away/3-away checker play

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From: tchow12...@yahoo.com (Timothy Chow)
Newsgroups: rec.games.backgammon
Subject: Rollout: 5-away/3-away checker play
Date: Thu, 22 Feb 2024 08:26:12 -0500
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 by: Timothy Chow - Thu, 22 Feb 2024 13:26 UTC

XGID=----CbE-B---cC---bbb-bbB--:0:0:1:63:2:4:0:7:10

Score is X:2 O:4 7 pt.(s) match.
+13-14-15-16-17-18------19-20-21-22-23-24-+
| X O O | | O O O X |
| X O O | | O O O X |
| X | | |
| | | |
| | | |
| |BAR| |
| | | X |
| | | X |
| O | | X X |
| O X | | X O X |
| O X | | X O X |
+12-11-10--9--8--7-------6--5--4--3--2--1-+
Pip count X: 143 O: 135 X-O: 2-4/7
Cube: 1
X to play 63

For money, there are several close plays, but ATS, the "damn the
torpedos" play of 23/20 13/7 rolls out clearly on top.

1. Rollout¹ 23/20 13/7 eq:-0.859
Player: 29.41% (G:5.86% B:0.35%)
Opponent: 70.59% (G:27.39% B:2.94%)
Confidence: ±0.016 (-0.875..-0.843) - [100.0%]

2. Rollout¹ 23/14 eq:-0.912 (-0.052)
Player: 28.48% (G:4.99% B:0.37%)
Opponent: 71.52% (G:26.21% B:1.60%)
Confidence: ±0.016 (-0.928..-0.895) - [0.0%]

3. Rollout¹ 13/7 6/3 eq:-0.953 (-0.093)
Player: 25.17% (G:4.72% B:0.15%)
Opponent: 74.83% (G:16.32% B:2.32%)
Confidence: ±0.016 (-0.968..-0.937) - [0.0%]

4. Rollout¹ 13/4 eq:-1.000 (-0.141)
Player: 24.34% (G:4.17% B:0.21%)
Opponent: 75.66% (G:15.39% B:1.55%)
Confidence: ±0.012 (-1.012..-0.988) - [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=----CbE-B---cC---bbb-bbB--:1:1:1:63:0:0:0:0:10

Score is X:0 O:0. Unlimited Game
+13-14-15-16-17-18------19-20-21-22-23-24-+
| X O O | | O O O X |
| X O O | | O O O X |
| X | | |
| | | |
| | | |
| |BAR| |
| | | X |
| | | X |
| O | | X X | +---+
| O X | | X O X | | 2 |
| O X | | X O X | +---+
+12-11-10--9--8--7-------6--5--4--3--2--1-+
Pip count X: 143 O: 135 X-O: 0-0
Cube: 2, X own cube
X to play 63

1. Rollout¹ 23/20 13/7 eq:-0.530
Player: 29.62% (G:5.87% B:0.23%)
Opponent: 70.38% (G:27.74% B:1.21%)
Confidence: ±0.007 (-0.537..-0.523) - [52.0%]

2. Rollout¹ 13/7 6/3 eq:-0.531 (-0.001)
Player: 25.21% (G:4.59% B:0.15%)
Opponent: 74.79% (G:16.03% B:0.80%)
Confidence: ±0.007 (-0.538..-0.524) - [41.1%]

3. Rollout¹ 23/14 eq:-0.535 (-0.005)
Player: 28.57% (G:5.12% B:0.21%)
Opponent: 71.43% (G:26.34% B:0.65%)
Confidence: ±0.007 (-0.543..-0.528) - [6.9%]

4. Rollout¹ 13/4 eq:-0.554 (-0.024)
Player: 24.12% (G:3.99% B:0.12%)
Opponent: 75.88% (G:15.51% B:0.68%)
Confidence: ±0.007 (-0.562..-0.547) - [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

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