novaBBS - rec.games.backgammon - Rollout: Gammon save

Gammon save

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From: tchow12...@yahoo.com (Timothy Chow)
Newsgroups: rec.games.backgammon
Subject: Gammon save
Date: Sun, 24 Dec 2023 19:51:58 -0500
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by: Timothy Chow - Mon, 25 Dec 2023 00:51 UTC

XGID=----aaEBBAA-bB---d-bc-B-b-:0:0:1:31:1:0:1:2:10

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 O |
| X O | | O O X O |
| O | | O |
| O | | |
| | | |
| |BAR| |
| | | X |
| | | X |
| | | X |
| O X X | | X |
| O X X X X | | X O O |
+12-11-10--9--8--7-------6--5--4--3--2--1-+
Pip count X: 149 O: 128 X-O: 1-0/2 Crawford
Cube: 1
X to play 31

---
Tim Chow

Rollout: Gammon save

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From: tchow12...@yahoo.com (Timothy Chow)
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Subject: Rollout: Gammon save
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by: Timothy Chow - Wed, 27 Dec 2023 12:24 UTC

XGID=----aaEBBAA-bB---d-bc-B-b-:0:0:1:31:1:0:1:2:10

At a normal score, XG plays 8/5* 6/5 as one might expect, even
though it leaves three blots in the outfield. But 8/5* 6/5 loses
more gammons than I expected, despite X's anchor.

1. Rollout¹ 10/9 6/3 eq:-0.288
Player: 44.90% (G:9.64% B:0.93%)
Opponent: 55.10% (G:9.30% B:0.82%)
Confidence: ±0.006 (-0.294..-0.282) - [100.0%]

2. Rollout¹ 10/7 9/8 eq:-0.361 (-0.073)
Player: 39.70% (G:7.08% B:0.51%)
Opponent: 60.30% (G:7.72% B:0.27%)
Confidence: ±0.005 (-0.366..-0.355) - [0.0%]

3. Rollout¹ 8/5* 6/5 eq:-0.364 (-0.076)
Player: 49.62% (G:13.85% B:1.69%)
Opponent: 50.38% (G:17.82% B:2.69%)
Confidence: ±0.007 (-0.371..-0.357) - [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

---
Tim Chow

The Public is merely a multiplied "me." -- Mark Twain

interests / rec.games.backgammon / Rollout: Gammon save

Subject	Author
Gammon save	Timothy Chow
Rollout: Gammon save	Timothy Chow