[computer-go] O Meien 9p vs Zen

2009-08-05 Thread Yamato
The match of O Meien 9p vs Zen will be held on next Monday via KGS. Schedule (JST) Date: August 10 Time: 14:10 Handicap 9x9: Zen is black, with 0.5 or 3.5 komi (?) 19x19: Zen is black, with 7 handicap stones. Zen will use the accounts Zen9 and Zen19. The opponent's account name is oumeien.

[computer-go] Re: O Meien 9p vs Zen

2009-08-05 Thread Ingo Althöfer
Yamato San wrote: The match of O Meien 9p vs Zen will be held on next Monday via KGS. Schedule (JST) Date: August 10 Time: 14:10 Handicap 9x9: Zen is black, with 0.5 or 3.5 komi (?) 19x19: Zen is black, with 7 handicap stones. Thanks for the information. * How many games will be

Re: [computer-go] Re: O Meien 9p vs Zen

2009-08-05 Thread Yamato
Ingo Althöfer wrote: Yamato San wrote: The match of O Meien 9p vs Zen will be held on next Monday via KGS. Schedule (JST) Date: August 10 Time: 14:10 Handicap 9x9: Zen is black, with 0.5 or 3.5 komi (?) 19x19: Zen is black, with 7 handicap stones. Thanks for the information. * How

Re: [computer-go] Re: O Meien 9p vs Zen

2009-08-05 Thread Hideki Kato
Yamato: 4a79ad18.2a528c0a.4408.3...@mx.google.com: Ingo Althöfer wrote: Other question: Is it true what I read in KGS chat that Zen wil be commercially availabe in Japan on September 28, for about 9,500 Yen? Please wait for the official announcement. I've found so many announcements (see below

[computer-go] Double/Triple Ko situation

2009-08-05 Thread Brian Sheppard
I analyzed the following position as a win for O, but there are two or three kos involved (A1/A2, H1/G1, and the bent four at J9), so I am wondering if there are any other opinions. 1 2 3 4 5 6 7 8 9 A X - X X - X X X - B O X X O X - X O O C - O O O X X O O O D O O X - X O O O - E X O - X X

Re: [computer-go] Double/Triple Ko situation

2009-08-05 Thread Peter Drake
Orego thinks it's probably a win for O (around 60%, with a lot of variance from one run to another). On most runs, almost all of the playouts are discarded, because they get caught in cycles and hit the maximum playout length limit. Following LibEGO, Orego doesn't check for superko during

RE: [computer-go] Double/Triple Ko situation

2009-08-05 Thread David Fotland
Many Faces thinks that whoever moves first wins. I think you are right that O must win since the lower right is ko, and O wins if it makes seki on the left. -Original Message- From: computer-go-boun...@computer-go.org [mailto:computer-go-boun...@computer-go.org] On Behalf Of Brian

Re: [computer-go] Double/Triple Ko situation

2009-08-05 Thread Matthew Woodcraft
Brian Sheppard wrote: I analyzed the following position as a win for O, but there are two or three kos involved (A1/A2, H1/G1, and the bent four at J9), so I am wondering if there are any other opinions. 1 2 3 4 5 6 7 8 9 A X - X X - X X X - B O X X O X - X O O C - O O O X X O O O D O O

[computer-go] Myungwan Kim 8P versus Many Faces of Go

2009-08-05 Thread terry mcintyre
On Friday, August 8th, at 3 PM Eastern Daylight Time, Myungwan Kim 8P will play against Many Faces of Go. Exact details as to the handicap and the size of the cluster are not yet established. This game will be played on KGS. It will played before an audience at the US Go Congress in Fairfax,

[computer-go] Double/Triple Ko situation

2009-08-05 Thread Brian Sheppard
Orego thinks it's probably a win for O (around 60%, with a lot of variance from one run to another). On most runs, almost all of the playouts are discarded, because they get caught in cycles and hit the maximum playout length limit. Following LibEGO, Orego doesn't check for superko during

Re: [computer-go] Double/Triple Ko situation

2009-08-05 Thread Peter Drake
On Aug 5, 2009, at 6:15 PM, Brian Sheppard wrote: Pebbles has the same ko rules as Orego, but it doesn't have the same search behavior. If Orego rejects self-atari moves of large strings, then the left side should become a seki almost always. If you are seeing 60% wins then something must be

Re: [computer-go] Double/Triple Ko situation

2009-08-05 Thread Jason House
The largest nakade shape is the rabbity six. My wild guess would be to outlaw self-atari for groups of 7+ stones. Sent from my iPhone On Aug 5, 2009, at 11:10 PM, Peter Drake dr...@lclark.edu wrote: On Aug 5, 2009, at 6:15 PM, Brian Sheppard wrote: Pebbles has the same ko rules as Orego,