-
Gammon save
From
Timothy Chow@tchow12000@yahoo.com to
rec.games.backgammon on Sun Dec 24 19:51:58 2023
From Newsgroup: rec.games.backgammon
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
--- Synchronet 3.21b-Linux NewsLink 1.2
-
From
Timothy Chow@tchow12000@yahoo.com to
rec.games.backgammon on Wed Dec 27 07:24:55 2023
From Newsgroup: rec.games.backgammon
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
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. Rollout-| 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. Rollout-| 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. Rollout-| 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%]
-| 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
--- Synchronet 3.21b-Linux NewsLink 1.2
-
From
Timothy Chow@tchow12000@yahoo.com to
rec.games.backgammon on Tue Mar 5 03:13:58 2024
From Newsgroup: rec.games.backgammon
XGID=-a----E-C---bFa-bb-e-bA---:0:0:1:43:1:0:1:2:10
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 | | O O X |
| X O O | | O O |
| X | | O |
| X | | O |
| 6 | | O |
| |BAR| |
| | | X |
| | | X |
| X | | X |
| O X | | X |
| O X | | X O |
+12-11-10--9--8--7-------6--5--4--3--2--1-+
Pip count X: 154 O: 133 X-O: 1-0/2 Crawford
Cube: 1
X to play 43
---
Tim Chow
--- Synchronet 3.21b-Linux NewsLink 1.2
-
From
Timothy Chow@tchow12000@yahoo.com to
rec.games.backgammon on Mon Mar 11 17:07:23 2024
From Newsgroup: rec.games.backgammon
XGID=-a----E-C---bFa-bb-e-bA---:0:0:1:43:1:0:1:2:10
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 | | O O X |
| X O O | | O O |
| X | | O |
| X | | O |
| 6 | | O |
| |BAR| |
| | | X |
| | | X |
| X | | X |
| O X | | X |
| O X | | X O |
+12-11-10--9--8--7-------6--5--4--3--2--1-+
Pip count X: 154 O: 133 X-O: 1-0/2 Crawford
Cube: 1
X to play 43
For money or DMP, 13/10 13/9 is a perfectly reasonable candidate play,
but it exposes extra blots and loses a lot more gammons.
1. Rollout-| 22/15 eq:-0.811
Player: 30.95% (G:3.98% B:0.47%)
Opponent: 69.05% (G:21.48% B:0.79%)
Confidence: -#0.007 (-0.817..-0.804) - [100.0%]
2. Rollout-| 13/10 13/9 eq:-0.930 (-0.119)
Player: 33.98% (G:7.69% B:0.77%)
Opponent: 66.02% (G:30.46% B:1.31%)
Confidence: -#0.007 (-0.937..-0.922) - [0.0%]
-| 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
--- Synchronet 3.21b-Linux NewsLink 1.2