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interests / rec.games.backgammon / Rollout: Which hit?

SubjectAuthor
* Which hit?Timothy Chow
`- Rollout: Which hit?Timothy Chow

1
Which hit?

<ta97ul$ndcu$2@dont-email.me>

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From: tchow12...@yahoo.com (Timothy Chow)
Newsgroups: rec.games.backgammon
Subject: Which hit?
Date: Fri, 8 Jul 2022 08:29:10 -0400
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 by: Timothy Chow - Fri, 8 Jul 2022 12:29 UTC

XGID=-aab-CECBB------aaacab-b--:1:-1:1:54:0:0:0:0:10

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 X O |
| X X X | | X X O O O |
+12-11-10--9--8--7-------6--5--4--3--2--1-+
Pip count X: 100 O: 150 X-O: 0-0
Cube: 2, O own cube
X to play 54

---
Tim Chow

Rollout: Which hit?

<tag2mu$1jtsu$1@dont-email.me>

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From: tchow12...@yahoo.com (Timothy Chow)
Newsgroups: rec.games.backgammon
Subject: Rollout: Which hit?
Date: Sun, 10 Jul 2022 22:42:35 -0400
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 by: Timothy Chow - Mon, 11 Jul 2022 02:42 UTC

XGID=-aab-CECBB------aaacab-b--:1:-1:1:54:0:0:0:0:10

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 X O |
| X X X | | X X O O O |
+12-11-10--9--8--7-------6--5--4--3--2--1-+
Pip count X: 100 O: 150 X-O: 0-0
Cube: 2, O own cube
X to play 54

It may be tempting to PoH here and leave no return shots, but O's board
is weak and we aren't really afraid of getting hit back. It might even
turn out well for us, if O is forced to collapse while we amble our hit
checker(s) back around the board. Hitting both checkers also makes it
hard for O to make a second anchor and form a semblance of a backgame.

1. Rollout¹ 6/2* 6/1* eq:+0.843
Player: 77.16% (G:39.14% B:3.23%)
Opponent: 22.84% (G:3.65% B:0.15%)
Confidence: ±0.011 (+0.832..+0.854) - [100.0%]

2. Rollout¹ 7/2* 5/1* eq:+0.720 (-0.123)
Player: 73.67% (G:36.41% B:2.93%)
Opponent: 26.33% (G:4.40% B:0.20%)
Confidence: ±0.010 (+0.710..+0.730) - [0.0%]

3. Rollout¹ 7/2* 6/2 eq:+0.639 (-0.204)
Player: 72.16% (G:32.69% B:2.09%)
Opponent: 27.84% (G:3.74% B:0.13%)
Confidence: ±0.012 (+0.627..+0.651) - [0.0%]

4. Rollout¹ 6/1* 5/1 eq:+0.603 (-0.241)
Player: 71.02% (G:31.90% B:1.39%)
Opponent: 28.98% (G:4.18% B:0.14%)
Confidence: ±0.008 (+0.594..+0.611) - [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

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