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Mochy backgame "minimum pip trail to take", assumptions?

Posted By: mochy
Date: Tuesday, 24 June 2014, at 2:55 p.m.

In Response To: Mochy backgame "minimum pip trail to take", assumptions? (Tenland)

My assumption (Which I told in the lecture) was as follows.

-The doubler has a full prime or a beautiful prime without any damage or weakness.The spare man places ideally.

-The doubler has escaped all backmen, therefore shouldn't have any problem of a contact other than last two anchors owned by his opponent

-The taker has two anchors (4 checkers).No extra men back.

-The taker has a beautiful board / structure on her side of the board. No buried checkers.





White is Player 2

score: 0
pip: 179
Unlimited Game
Jacoby Beaver
pip: 92
score: 0

Blue is Player 1
XGID=-bbBBBCBBA-Aa-a-abbbb-----:0:0:1:00:0:0:3:0:10
Blue on roll, cube action?

Analyzed in 4-ply No double Double/Take
  Player Winning Chances: 64.63% (G:32.52% B:5.32%) 64.64% (G:32.47% B:5.39%)
  Opponent Winning Chances: 35.37% (G:1.61% B:0.06%) 35.36% (G:1.55% B:0.07%)
  Cubeless Equities +0.654 +1.310
Cubeful Equities
No double:+0.934 (-0.066)
Double/Take:+1.010 (+0.010)
Double/Pass:+1.000
 
Best Cube action: Double / Pass

eXtreme Gammon Version: 2.12.201.pre-release

This is one of the references I remember. The doubler has 87 pips lead and it is a last take point for 1-2 backgame.I couldn't find a rollouted file but I did rollout.(It would be nice if someone else re-confirmed my position by deep rollout)

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