Author: Djordje Vidanovic
Date: 12:47:25 08/24/05
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On August 24, 2005 at 15:33:58, Johannes Zwanzger wrote: >Hi, > >Jonny 2.82 (the version that played in Mainz and Reykjavik) ist available >for download now. It should be about 60-80 points stronger then the last >published version 2.75. The most important changes: > >- endgame knowledge for positions with few pawns added >- some parameters changed, e.g. value for queen and bishop >- kingsafety is weighted a little bit higher now >- parameter considerPonderTime=1 in settings.ini for games with ponder on. > Jonny then will use more time on average for its moves. >- now PVS at the root-node >- in case of a fail high aspiration-window is moved in .25-steps; larger > size to below to avoid fail-lows >- now only one parameter for maximum number of all extensions >- improved search >- speed increased, 10-25% depending on the CPU (mainly optimized for AMD64) >- FRC-support implemented, which currently only works under Arena. > The only change I used for the FRC-games in Mainz was to set the parameter > trappedRook to zero, otherwise Jonny to often wanted to play a2-a4 or h2-h4 > in the beginning. > >This version is (in the chess part) the same as the one tested in CEGT >(e.g. http://www.husvankempen.de/nunn/). > >There are 5 versions downloadable, 4 for windows and 1 for linux: > >optimized for AMD64: >http://cipinf2.cip.uni-bayreuth.de/~jonnycomp/jonny282_amd64.zip > >optimized for AMD_XP: >http://cipinf2.cip.uni-bayreuth.de/~jonnycomp/jonny282_amdxp.zip > >optimized for Intel P4: >http://cipinf2.cip.uni-bayreuth.de/~jonnycomp/jonny282_p4.zip > >for older CPUs: >http://cipinf2.cip.uni-bayreuth.de/~jonnycomp/jonny282_oldercpu.zip > >linux: >http://cipinf2.cip.uni-bayreuth.de/~jonnycomp/jonny282_lin.tar.gz > >Best >Johannes Johannes, thank you very much :-) Djordje
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