Author: Eugene Nalimov
Date: 11:54:23 09/23/99
Go up one level in this thread
I uploaded Win32 executables to Bob's FTP site. Glitch in probing code is fixed, as well as one more EGTB-related bug that appeared in 16.19. Eugene On September 23, 1999 at 14:39:07, Robert Hyatt wrote: >On September 23, 1999 at 12:50:21, Peter Marko wrote: > >>Thanks for your quick response, Robert. Regarding CD distribution of the 4Q >>tablebases, I am more than willing to do it provided that >> >>(1) All parties involved give me permission to do it; and >>(2) I receive one copy of the tablebases on CDs. >> >>I can burn the duplicate CDs and mail them to a few people on the World Team to >>take that burden off the developers' shoulders. >> >>Please keep me posted on your progress with integrating Crafty and the 6-piece >>TBs. >> >>Thanks, >> >>Peter >> > >Crafty is finished... (16.19). I think Eugene might have a minor glitch in >the probe code, and he is looking at it, as we only need wtm for the kqqkqq >type files as they are symmetric with white and black, and it is just a matter >of inverting the board and probing to get the right score. He thought he was >doing this, but I was only seeing hits on every other ply, which suggested that >it might not be working right. > >in any case, download 16.19 source, add the -DEGTB6 compile option, and you >are ready to go, although maybe not quite optimally just yet... and I would >generally not run with just a couple of 6 man files in real games, as it will >try to probe on _any_ 6 man ending and most will be rejected, wasting time. > > > >> >>On September 23, 1999 at 09:48:53, Robert Hyatt wrote: >> >>>On September 23, 1999 at 09:26:13, Peter Marko wrote: >>> >>>>Hi, >>>> >>>>Guy Haworth has asked me to take the baton from him and organize making this >>>>wonderful new tool available to the World Team in the Kasparov vs. The World >>>>interactive game. At this point I am wondering about the following: >>>> >>>>1. It is my understanding that Crafty needs minor modifications before it could >>>>be used with the new KQQKQQ tablebases. When will this happen? I saw Robert's >>>>post in this thread about a new version of Crafty being readied last night (Sep >>>>22). >>>> >>> >>>there is a small glitch... the IInitializeTb() function is returning 5, even >>>when there are 6 piece files handy. This would normally be innocent enough, >>>but I use this number to tell me when to start probing... as a result, I never >>>probe 6 piece files... I have sent this to Eugene. I have been busy on a >>>SPEC problem and didn't have time to try to figure out how to make his code >>>return 6 with the kqqkqq files are present... >>> >>> >>> >>>>2. Is there any change in Crafty's system requirements when one uses it with the >>>>6-man tablebases? >>> >>> >>> >>>couple of megs more memory for the decompression indices... >>> >>> >>>> >>>>3. The tablebases are very large, and downloading them is not an option for most >>>>users. Is there a chance of having them available on CDs? >>> >>> >>>Anyone could do this... But it is an investment in time to burn the things >>>and distribute them... >>> >>> >>> >>>> >>>>My plan is to announce the availability of Crafty and the four-Queen tablebases >>>>on the World Team Strategy Bulletin Board >>>> >>>>http://bbs.msnbc.com/bbs/kasparov-team/index.asp >>>> >>>>after all the details have been worked out at this forum. I would like to have a >>>>few chess computer enthusiasts to take on the challenge of installing the new >>>>Crafty with the 6-man EGTBs and making them available to the World Team. >>>> >>>>Please advise as to the above questions on this board or via e-mail >>>>(pmarko@netcom.ca). >>>> >>>>Thank you and best regards, >>>> >>>>Peter
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