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Of proper use of words

Posted By: Bob Koca
Date: Saturday, 4 July 2015, at 1:40 p.m.

In Response To: Of Thumbs and their Rules. (David Rennie)

You wrote "and at three checkers against three checkers 12 pips or less is always a double and a take at an even pip count or better"

Think about the terrible takes that rule gives. For example a 2 roll position would be a take. But like I wrote in my last post I suspect you didn't write what you meant to write. I am guessing now that you meant 11 or 12 pips instead of 12 or less.

I know what a ROT is. Do you know what the word "always" means? If you intend to give something as a ROT don't say always.

:),:(, ..)))))

"(and I get a considerably smaller 0.41 size take, not a 0.96 size one)"

I don't see where you get the .41 value from or even what you mean by a .41 size take being smaller. It is standard to say that .96 take means the equity to doubler after taking so that is a very close take being close to 1. One might also here something like "a take by .04". A .41 take would be a huge take so it seems you are using terminology differently. Do you have the same position?





White is Player 2

score: 0
pip: 10
Unlimited Game
pip: 10
score: 0

Blue is Player 1
XGID=--B---A-------------aa--a-:0:0:1:00:0:0:0:0:10
Blue on roll, cube action?

Analyzed in Rollout No double Double/Take
  Player Winning Chances: 76.595% (G:0.000% B:0.000%) 76.595% (G:0.000% B:0.000%)
  Opponent Winning Chances: 23.405% (G:0.000% B:0.000%) 23.405% (G:0.000% B:0.000%)
  Cubeless Equities +0.5319 +1.0638
Cubeful Equities
No double:+0.5833 (-0.3759)±0.0000 (+0.5833..+0.5834)
Double/Take:+0.9592±0.0000 (+0.9592..+0.9593)
Double/Pass:+1.0000 (+0.0408)
 
Best Cube action: Double / Take
Rollout details
1296 Games rolled with Variance Reduction.
Dice Seed: 16132000
Moves: 3-ply, cube decisions: XG Roller
 
Double Decision confidence:100.0%
Take Decision confidence:100.0%
Duration: 0.4 second

eXtreme Gammon Version: 2.10

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