Poll
Yes the position seems to be other way around in image. So Backwood is white and he's turn. Hmm. Posting positions appear to be a lot harder then you might think.
Question: 
Backwoods (RED) is holding a 2-cube, ahead 5-1 in a 9 pointer against blitzxz (WHITE). Backwoods wants to finish the match quickly. Correct cube action for RED?
Backwoods (RED) is holding a 2-cube, ahead 5-1 in a 9 pointer against blitzxz (WHITE). Backwoods wants to finish the match quickly. Correct cube action for RED?
Option 1: No redouble
Option 2: Redouble, take
Option 3: Redouble, pass
Title: Cube 107 - Redouble for match
Post by: blitzxz on January 30, 2008, 08:27:15 AM
Post by: blitzxz on January 30, 2008, 08:27:15 AM
I have huge problems understanding correct cube action in different match scores. Here's one example. Backwood is holding 2-cube and wants to finish the match quickly.
GNU Backgammon Position ID: u+6GAABv3wkAAA
Match ID : AQEgAVAACAAA
+12-11-10--9--8--7-------6--5--4--3--2--1-+ O: Backwoods (Cube: 2)
| | | O O O O O | 5 points
| | | O O O O | On roll
| | | O O O |
| | | O O |
| | | O |
^| |BAR| | 9 point match
| | | |
| | | |
| | | X X X |
| | | X X X X X |
| X | | X X X X X X | 1 point
+13-14-15-16-17-18------19-20-21-22-23-24-+ X: You
Pips
Backwood 41
You 60
(answer in txt-file)
GNU Backgammon Position ID: u+6GAABv3wkAAA
Match ID : AQEgAVAACAAA
+12-11-10--9--8--7-------6--5--4--3--2--1-+ O: Backwoods (Cube: 2)
| | | O O O O O | 5 points
| | | O O O O | On roll
| | | O O O |
| | | O O |
| | | O |
^| |BAR| | 9 point match
| | | |
| | | |
| | | X X X |
| | | X X X X X |
| X | | X X X X X X | 1 point
+13-14-15-16-17-18------19-20-21-22-23-24-+ X: You
Pips
Backwood 41
You 60
(answer in txt-file)
Title: Re: Match cube 1
Post by: sixty_something on January 30, 2008, 11:16:07 PM
Post by: sixty_something on January 30, 2008, 11:16:07 PM
another good one, blitzxz .. thanks for the problems
Title: Re: Cube 107 - Redouble for match
Post by: Tomawaky on January 31, 2008, 05:51:46 AM
Post by: Tomawaky on January 31, 2008, 05:51:46 AM
oups I voted and don't understand the answer and then look at it and see that Backwoods is not red but wite isnt'it ?
Title: Re: Cube 107 - Redouble for match
Post by: blitzxz on January 31, 2008, 08:14:23 AM
Post by: blitzxz on January 31, 2008, 08:14:23 AM
Quote from: Tomawaky on January 31, 2008, 05:51:46 AM
oups I voted and don't understand the answer and then look at it and see that Backwoods is not red but wite isnt'it ?
Yes the position seems to be other way around in image. So Backwood is white and he's turn. Hmm. Posting positions appear to be a lot harder then you might think.
Title: Re: Cube 107 - Redouble for match
Post by: sixty_something on January 31, 2008, 09:12:08 AM
Post by: sixty_something on January 31, 2008, 09:12:08 AM
the image is correct and matches the original problem now
that was strange .. the Position/Match ID entered sets up the correct board in the same orientation as in your ASCII diagram, blitzxz .. but when the position was exported, the board appeared as a mirror image of itself .. i carefully checked the board setup in GNUbg, but apparently didn't in the exported and uploaded image .. when i tried it again, i got the same results .. finally, i swapped players in GNUbg and had to reset the cube manually, but the board image matches the original ASCII one now .. sorry about that .. i've really got no clue what caused that, but clearly appearances are deceiving
thanks for catching the error, Tomawaky
Is not dread of thirst when your well is full, thirst that is unquenchable?
-Kahlil Gibran, mystic, poet, and artist (1883-1931)
that was strange .. the Position/Match ID entered sets up the correct board in the same orientation as in your ASCII diagram, blitzxz .. but when the position was exported, the board appeared as a mirror image of itself .. i carefully checked the board setup in GNUbg, but apparently didn't in the exported and uploaded image .. when i tried it again, i got the same results .. finally, i swapped players in GNUbg and had to reset the cube manually, but the board image matches the original ASCII one now .. sorry about that .. i've really got no clue what caused that, but clearly appearances are deceiving
thanks for catching the error, Tomawaky
Spoiler
currently there are 6 votes (2/1/3) .. i don't know whether i should reset the vote count to zero or not .. i'm going to opt for no since most were cast before i inserted the image
[close]
Is not dread of thirst when your well is full, thirst that is unquenchable?
-Kahlil Gibran, mystic, poet, and artist (1883-1931)