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I thought I was making it better

Posted By: Jason Lee
Date: Friday, 4 August 2023, at 3:49 p.m.

I assessed this correctly OTB, not quite a double. Let's change the position by moving the blot on the 3 point to the 4 point. That's better, right? Apparently not.

My guess: Blue has time to get his board together, and having two points slotted leads to more points made when the time is right.

JLee

Original Position




White is Player 2

score: 7
pip: 127
11 point match
pip: 118
score: 3

Blue is Player 1
XGID=---AAbE-CB--cC---b-bc-a-b-:0:0:1:00:3:7:0:11:10
Blue on roll, cube action?

Analyzed in XG Roller++ No double Double/Take
Player Winning Chances: 68.75% (G:1.70% B:0.05%) 68.87% (G:1.66% B:0.04%)
Opponent Winning Chances: 31.25% (G:1.10% B:0.01%) 31.13% (G:1.07% B:0.01%)
Cubeless Equities +0.379 +0.718
Cubeful Equities
No double:+0.618
Double/Take:+0.599 (-0.020)
Double/Pass:+1.000 (+0.382)
Best Cube action: No double / Take
Percentage of wrong pass needed to make the double decision right: 4.7%

eXtreme Gammon Version: 2.10, MET: Kazaross XG2

Modified Position




White is Player 2

score: 7
pip: 127
11 point match
pip: 119
score: 3

Blue is Player 1
XGID=----BbE-CB--cC---b-bc-a-b-:0:0:1:00:3:7:0:11:10
Blue on roll, cube action?

Analyzed in XG Roller++ No double Double/Take
Player Winning Chances: 67.70% (G:1.60% B:0.04%) 67.89% (G:1.55% B:0.03%)
Opponent Winning Chances: 32.30% (G:1.03% B:0.01%) 32.11% (G:0.97% B:0.01%)
Cubeless Equities +0.358 +0.673
Cubeful Equities
No double:+0.577
Double/Take:+0.547 (-0.031)
Double/Pass:+1.000 (+0.423)
Best Cube action: No double / Take
Percentage of wrong pass needed to make the double decision right: 6.3%

eXtreme Gammon Version: 2.10, MET: Kazaross XG2

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