Author: Mike Byrne
Date: 20:24:43 05/14/04
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On May 14, 2004 at 19:49:29, David Dahlem wrote: >Is it possible, with the Jekyll & Hyatt personality, to have random piece values >only, while keeping the other parameters at the default settings? If not, i >think this would be a nice option to add to Crafty SE. > >Regards >Dave That option will be included in will be in the Crafty 19.13 SE release tomorrow. Also included will be 4 new GM personalities - Staunton, Korchnoi, Gligoric and Polgar. There are now 24 GM personalities. So you can have a nice little tournament between yourself and some of the best GM's in the world ;>) A really cool new feature that will be included in the release tommorrow is random search depth. Bruce Fox, a dedicated and die hard "Crafty SE" fan came up with this one - that's pretty slick as it really does help Crafty in simulating "human play" as Crafty will make some really good moves and maybe not some good moves all because of random search depth . The command is "rsd" and the user sets the randomness range. It also has separate randomness for the opening and middle game and for the endgame. A low search depth in the endgame typically weakens the computer too much for humans relative to the human opening and middle game strength. This allow the computer to be stronger in the endgame without being too weak in the endgame. format: rsd <low sd> <high sd> <low sd endgame> <high sd endgame> Examples: "rsd 2 5 5 10" - will randomly select between 2 and 5 plies in the opening/middle and between 5 & 10 in the endgame. "rsd 3 3 5 10" will search 3 plies in the opening/middle and between 5 & 10 in the endgame. "rsd 1 5 8 8" will randomly select between 1 and 5 plies in the opening/middle and search 8 plies in the endgame. "rsd 3 3 5 5 will search 3 plies in the opening/middle and search 5 plies in the endgame. "rsd 3 5 3 5" will randomly select between 3 and 5 plies in the opening/middle and endgame "rsd 1 5 0 <x>" (<x> any number) will randomly select between 1 and 5 plies in the opening/middle and not be limited in endgame "rsd 0 <x> 0 <x>" (<x> == any number) will not be limited in search by search depth at all in opening/middle/endgame - (you would never really need to use this - but it's nice to know if you're at the command prompt you are just testing it out. Also, fyi "rsd 3 3 3 3" == "sd 3" Also for those that like "spoken move annoucement" , it is an available option with this Crafty version and works very well with Odd Gunnar Malin's WB to DGT board converter . (requires other files avalable for freely from the net). Best, Michael
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