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Game 2, move 8 : Patti take or pass?

Started by diane, September 24, 2012, 11:26:09 AM

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diane

Never give up on the things that make you smile

Patti

The cube... the cube is MINE!  Bwahahahaha.

diane

Never give up on the things that make you smile

ah_clem

Cube decision rollout.

Spoiler

This is a close one.  XG Roller+ put it as a double by .001.  A full rollout says it's correct to double by a margin of .023

The take seemed pretty trivial, but you never know.  Sometimes you just need to turn the cube to see if your opponent will make a mistake.

BTW, at a normal match score, it would be a whopper to hold the cube here.  AtS, the nasty recubes are the factor making it a close decision.



XGID=---b-BCBBBB-a----a-cbbbbAA:0:0:1:00:2:0:0:5:10



Analyzed in Rollout
No double
  Player Winning Chances:   72.73% (G:15.60% B:0.47%)
  Opponent Winning Chances: 27.27% (G:6.56% B:0.60%)
Double/Take
  Player Winning Chances:   73.02% (G:15.95% B:0.81%)
  Opponent Winning Chances: 26.98% (G:6.60% B:1.15%)

Cubeless Equities: No Double=+0.580, Double=+1.137

Cubeful Equities:
       No double:     +0.798 (-0.023)
       Double/Take:   +0.821
       Double/Pass:   +1.000 (+0.179)

Best Cube action: Double / Take

Rollout:
  1296 Games rolled with Variance Reduction.
  Moves: 3-ply, cube decisions: XG Roller
  Confidence No Double: ± 0.017 (+0.781..+0.815)
  Confidence Double:    ± 0.028 (+0.793..+0.849)

  Double Decision confidence: 91.6%
  Take Decision confidence: 100.0%

  Duration: 17 minutes 52 seconds

eXtreme Gammon Version: 2.03, MET: Kazaross XG2


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diane

You have to love the concept of a 'normal' match score in backgammon  ;)
Never give up on the things that make you smile