Double 5's

[Timothy Chow]

XGID=-aaB--EBBA-b-A--abbbbB-b--:1:1:1:55:0:0:0:0:10

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 O |
| O O | | O O X O |
| | | |
| | | |
| | | |
| |BAR| |
| | | X |
| | | X |
| | | X | +---+
| O X X | | X X | | 2 |
| O X X X | | X X O O | +---+
+12-11-10--9--8--7-------6--5--4--3--2--1-+
Pip count X: 130 O: 140 X-O: 0-0
Cube: 2, X own cube
X to play 55

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Tim Chow

[Timothy Chow]

I thought that this was a good opportunity to leap my back checkers over
O's prime, but evidently, XG thinks that it's better to make sure that
O won't anchor. I guess a four-prime isn't that hard to leap?

1. Rollout¹ 7/2*(2) 6/1*(2) eq:+1.170
Player: 75.91% (G:59.07% B:1.54%)
Opponent: 24.09% (G:5.67% B:0.40%)
Confidence: ±0.007 (+1.164..+1.177) - [100.0%]

2. Rollout¹ 21/16*(2) 6/1*(2) eq:+0.975 (-0.196)
Player: 71.32% (G:39.87% B:1.40%)
Opponent: 28.68% (G:6.41% B:0.32%)
Confidence: ±0.010 (+0.965..+0.985) - [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

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Tim Chow