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Beaver calculus

Posted By: Taper_Mike
Date: Friday, 28 June 2013, at 3:17 p.m.

In Response To: Beaver calculus (Daniel Murphy)

The score (after 0 games) is: Opponent 0, Player 0

Move number 4: Player on roll, cube decision?

Opponent21

7X7X ' ' ' ' ' ' ' ' ' '

4O4O2O2O2O ' ' ' ' ' ' '
Player36
Position ID: f38AAID3tgEAAA Match ID: cAkAAAAAAAAA

• Player doubles

Alert: wrong double ( -0.237117)!

Cube decision
2-ply cubeless equity +0.061939 
 0.530969 0.000000 0.000000 - 0.469031 0.000000 0.000000
Cubeful equities:
 2-ply cubeful prune [world class]
1.No double +0.081390 
2.Double, pass +1.000000 +0.918610
3.Double, take -0.155727 -0.237117
Proper cube action:No double, beaver (20.5%)

 

In the second of Daniel’s positions, I had to switch the on-roll player to Blue in order to duplicate his result. You can see this change in the GnuBg ID for the position.

Mike

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