FIBS Board backgammon forum

Backgammon => Backgammon problems => Topic started by: sixty_something on October 25, 2008, 07:10:43 AM

Poll
Question:  WHITE to play, down 4-5 in a 7-point match. What are the proper cube decisions?
Option 1: No cube
Option 2: Double, take
Option 3: Double, pass
Title: Cube 115 - Too early?
Post by: sixty_something on October 25, 2008, 07:10:43 AM
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GNUbg says the correct answer is
Spoiler
To my surprise, it is a Double, take. I still don't see the position as being that advantageous for WHITE. I passed on offering a cube, but the equity clearly says cube and it is a clear take. Can anyone suggest a better explanation why this is a good double opportunity?

Cube analysis
0-ply cubeless equity  +0.397 (Money:  +0.371)
  0.631 0.212 0.018 - 0.369 0.114 0.005

Cubeful equities:
1. Double, take         +0.998
2. Double, pass         +1.000  ( +0.002)
3. No double            +0.806  ( -0.192)
Proper cube action: Double, take



Cube analysis
0-ply cubeless MWC  42.29% (Money:  +0.371)
  0.631 0.212 0.018 - 0.369 0.114 0.005

Cubeful equities:
1. Double, take         49.98%
2. Double, pass         50.00%  (  0.02%)
3. No double            47.52%  ( -2.46%)
Proper cube action: Double, take
[close]

you may enter the ID's below into GNUbg or Snowie to evaluate your answer:

Position ID: bE7wATDYZswBMA   Match ID: cAngAFAAIAAA

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