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Cubeless matches?
Posted By: NJ
Date: Sunday, 23 May 2010, at 7:02 p.m.
In Response To: Cubeless matches? (bob koca)
Does anyone have a MET for those cubeless tournaments? Seems like the theory is much less advanced.
Backgammon NJ has a cubeless MET because there is an option to play a match without a doubling cube. The cubeless MET is actually a lot easier to create than the regular MET. You can do it with one formula, if you assume constant win/gammon rates:
MET[X][Y] = W*MET[X1][Y] + G*MET[X2][Y] + B*MET[X3][Y] + W*MET[X][Y1] + G*MET[X][Y2] + B*MET[X][Y3]
Where:
MET[X][Y] is the MET value for X away, Y away
W = Win rate excluding gammons/backgammons
G = Gammon rate excluding backgammons
B = Backgammon rate
I created a sample spreadsheet here:
Cubeless MET spreadsheet on Google Docs
This spreadsheet has W=36% G=13.5% B=0.5%, but there is an option to download the spreadsheet if you want to adjust the numbers.

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