Re: checker play problem
- From: eskimo <peter.backgren@tämä.on.soomee.ericsson.com>
- Date: Fri, 18 Aug 2006 10:46:32 +0300
In article <1155865591.746066.152020@xxxxxxxxxxxxxxxxxxxxxxxxxxx>,
pauldepstein@xxxxxxx says...
GNU Backgammon Position ID: u1sDAQj3PAAAAA
Match ID : QYkEAAAAEAAA
+13-14-15-16-17-18------19-20-21-22-23-24-+ O: gnubg (Cube: 2)
| O | | O O O O O O | 0 points
| | | O O O O O |
| | | O O |
| | | |
| | | |
v| |BAR| |
| | | |
| | | X X | X
| | | X X X | X
| | | X X X | X Rolled 11
| | | X O X X | X 2 points
+12-11-10--9--8--7-------6--5--4--3--2--1-+ X: user
I found this problem (money play) extremely difficult. I found two
candidate moves, but was unable to choose between them with any
confidence. Gnu agreed with me but, assuming gnu is right, it was
really just a lucky guess.
When in doubt between two moves look for the 3rd and 4th :). Well, I
guess my two first candidate moves weren't the two top ones.
My gut would do 1/off(3) and 2/1. This should increase the gammon more
than 4/3*/off (and a rollout says I'm wrong). With 7 men off and almost
certainly 3 more no matter what I do I should have the game and the
gammon should be possible although not likley considering the amount of
crossovers. Could well be that O should run with several rolls so I
don't have to worry much about getting hit anyway.
My second choice was 4/3*(4) but does not require more than a little
thinking to improve that to 4/3*(2) 2/off. One additional man off and a
nice dancing possibility giving the same result as my gut feeling. I
think the main thing here is that if O rolls good (5 or 6) he will run
off the gammon with either move but if he rolls bad I will achieve a
similar result and possibly have more points for him to dance on next
turn as well.
Over the board I'm sure I would go with my gut feeling as realizing the
good rolls for O matter would have taken some time to figure out. I'm
however amazed by the gammon percentage difference between the two
moves.
End result:
4/3*(2) 2/off.
Eskimo
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- References:
- checker play problem
- From: pauldepstein
- checker play problem
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