Author: Robert Hyatt
Date: 20:24:26 11/22/04
Go up one level in this thread
On November 22, 2004 at 22:48:56, Tanya Deborah wrote: >On November 22, 2004 at 11:28:38, Robert Hyatt wrote: > >>On November 22, 2004 at 02:08:30, Thomas Gaksch wrote: >> >>>On November 21, 2004 at 18:28:13, Robert Hyatt wrote: >>> >>>>On November 20, 2004 at 16:45:39, Thomas Gaksch wrote: >>>> >>>>>Hello, >>>>>Crafty Classic 2004 seems to plays stronger than Crafty 19.17. If you list the >>>>>extensions there is an new one called "start depth extension". Does anybody know >>>>>what this extension is doing? Or what is the secret of this stronger version? >>>>> >>>>>Thomas >>>> >>>> >>>>That is probably just a "pre-load" on the extensions. IE at ply 1, you can add >>>>.75 to the depth without changing anything. Except that the first fractional >>>>extension will now round to over a ply. IE if you start depth at 1.00, a .75 >>>>extension doesn't do anything, until another .75 extension is added, then the >>>>extension is 1 ply with that .5 carried over until the next .75 is added. If >>>>you start at 1.75, the first three .75 extensions actually extend, the 4th does >>>>not, then the next 3 do, the next doesn't, etc... >>> >>>Thank you very much for your answer Robert, >>>and also thank you for your great program Crafty. I have two short new >>>questions. >>>In an older Crafty Version you added a simple approch of the singular extensions >>>to the code. Why disapperded the code without any comment in the newer Versions? >> >>It was never really "in". I played with it off and on for a while, and even gave >>the code to others to experiment with. But I've not seen anything that really >>played better, so it has never been a part of a normal released version. I will >>probably play with it some more in the future as I haven't given up, but it >>simply hasn't helped overall, yet... >> >> >>>My great hobby are chess engines. My problem is, that I have no much time >>>((family, work...) to build a chess engine from the scratch. Would you please >>>allow me to develop an Crafty Clone with an name like TGCrafty and let it play >>>on an chess server? That would be very generous from you. I know that there are >>>so much clones and nobody wants to see another clone but it is the only chance >>>for me to have a kind of "own" chess engine. Naturally I would alway publish >>>that it is "only" a Crafty clone. >>> >> >> >> >>there is no problem doing that. Several others are doing it already... >> > > >How many Crafty clones are? > >Can you please give me some names? > >Thanks >Tanya Deborah. The first that comes to mind is something like "Craftwork" or something similar on ICC. There are others running "modified craftys".... >> >> >> >>>Thank you for your answer. >>>Thomas >>> >>>Sorry, for my bad English.
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