Author: Dann Corbit
Date: 09:49:39 01/17/00
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On January 16, 2000 at 09:53:40, Michel Langeveld wrote: >On January 15, 2000 at 02:41:46, Randy Schmidt wrote: > >>I am curious if you are the person who did the above >>project (coordinated)..... >> >>I see that CA5.0 incorporates some of your work into >>their software (according to reviews on the CA site), >>and there is also a CD available called Joy(s?) of Chess >>which has 3 projects (or more?) on it. >> >>Could you enlighten us as to what is contained in both >>CA and the CD? >> >>Thanks! > >On the website of Chess Assistent 5.0 I found between the delta's of 4.0 and >5.0: >------------------------------------------------------------------------------- >New features in Tree mode. > > You can analyze and annotate positions directly in the tree. > CAP data (2 million analyzed positions) is included. Future importing >of huge > amounts of analyzed data is foreseen and provided. > Simultaneous view of evaluations given by different engines. > Switching between different trees directly in the tree. >------------------------------------------------------------------------------- >Dann, > >I put questionmarkes to the 2 million. Dann are the reaLLY having 2.0 million >positions??? On your ftp site in the private section (CAP-members only section) >there are only 950.000 unique positions. You said in another messaage on this >board that you expect a CD from overseas. Does this mean you don't have 2.0 >million yet and expect to have 2.0 million positions if all data is merged?? Yes >Or does CA means 2.0 million because you have primary base and a secondary base >of CAP data and you publish only the BEST data on your FTP-site in the private >base which is 950.000 unique positions? No >Or does CA has much more positions of CAP data?? Yes. If you look at the C.A.P. FAQ, you will see that they are one of the primary contributors both of software and analysis. Look under the "Benefactors" table. >I also saw in the CAP files a lot of positions where the nodecount is < 0. Is it >a good idea to analyze these positions 1 ply deeper and save them in the >database so eventually we don't have negative values in the primary base >anymore....?? (Project "Negakiller") Negative nodecount is more than 2^31 nodes. Some have even wrapped again to positive (e.g. you will see 18 plies but only 100K nodes or something strange like that). It is a function of the programs that count the nodes. Most use a 4 byte long to do it. >Michel Langeveld
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