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BGonline.org Forums
Cube Efficiency
Posted By: Bob Koca In Response To: Cube Efficiency (John O'Hagan)
Date: Sunday, 8 June 2014, at 3:21 p.m.
I think there are two things that aren't dealt with properly. They about cancel out though.
i) The 70% efficiency is for a long race. It will be lower for a shorter race.
ii) There is a match score effect that is being ignored in the efficiency calculation. You are only looking at the points where the drop will happen. At 5a 3a score with 2 cube the window opens at 39% which is lower than money game 50%. The doubling window is thus wider which should increase efficiency. A correct cube can be given at only 56.5% if the trailer had 80 pips compared to about 72% for a money game.
I used ROs to determine for races at various scores with leader having 80 pips where the cubing points and take points are. This means one doesn't need to worry about cube efficiencies and future cube actions, it is all folded into the result. For 85 pip races at 3a 5a the leader should cube at 73% and cash is at 78%. This race is little shorter than that so cash a little before 78% (since shorter race is more volatile a little bit less recube power for trailer)
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