Author: Mike Byrne
Date: 20:39:35 04/19/04
.. in the next release of Crafty 19.12 SE It's name is "Jekyll & Hyde", as one might expect it is a dynamic and changing personality. If selected, it will start with a random selected set of parameters and play the entire session with those same parameters. If you use the new command "keeper" you turn off "keeper" and have it select new settings every game (type "keeper off" at the command prompt or in the crafty.rc file, it will select new parameters everytime a new game is started!) The possible different combinations of different Crafty settings is a very large number - "50^11*25*20^2*10" or about 4.88 x 10^23 although one setting that has one little difference between another setting may play the exact same moves anyway. sample input/output: ============================================================= White(1): kra jek //set the krafty personality to "Jekyll & Hyde" Jekyll & Hyde random personality is selected! Below are the settings if they seem to be noteworthy! Keeper setting 1==yes, 0==no 1 queen value..........................846 rook value...........................536 bishop value.........................278 knight value.........................311 pawn value...........................106 book random (0=off)............ .....1 book selection width.................5 delay time limit,(0=off:1=on)........0 draw score setting...................0 search depth.........................0 special edition code (1=off:0=on)....0 time usage setting (0=normal)........0 window beta initial setting..........40 more... king safety asymmetry................-70 king safety scale.............. .....105 king safety tropism..................87 lazy setting.........................60 pass pawn scale......................103 pawn block scale............... .....75 pawn scale..................... .... 102 incheck extension setting............52 mate extension setting...............45 one response extension setting.......54 pawn push extension setting..........46 recapture extension setting..........47 start extension setting..............30 White(1): new // new game is started - same settings are kept as originated Crafty v19.12 SE [Jekyll & Hyde] (1 cpus) SE code enabled White(1): infox Crafty v19.12 SE (1 cpus) personality name .................. Jekyll & Hyde personality setting..................100 queen value..........................846 rook value...........................536 bishop value.........................278 knight value.........................311 pawn value...........................106 book random (0=off)............ .....1 book selection width.................5 delay time limit,(0=off:1=on)........0 draw score setting...................0 search depth.........................0 special edition code (1=off:0=on)....0 time usage setting (0=normal)........0 window beta initial setting..........40 more... king safety asymmetry................-70 king safety scale.............. .....105 king safety tropism..................87 lazy setting.........................60 pass pawn scale......................103 pawn block scale............... .....75 pawn scale..................... .... 102 incheck extension setting............52 mate extension setting...............45 one response extension setting.......54 pawn push extension setting..........46 recapture extension setting..........47 start extension setting..............30 White(1): keeper off //turns the "keeper" setting off White(1): new //start new game -completely new randoms settings are created Crafty v19.12 SE [Jekyll & Hyde] (1 cpus) SE code enabled Jekyll & Hyde random personality is selected! Below are the settings if they seem to be noteworthy! Keeper setting 1==yes, 0==no 0 queen value..........................909 rook value...........................484 bishop value.........................298 knight value.........................282 pawn value...........................97 book random (0=off)............ .....1 book selection width.................5 delay time limit,(0=off:1=on)........0 draw score setting...................0 search depth.........................0 special edition code (1=off:0=on)....0 time usage setting (0=normal)........0 window beta initial setting..........40 king safety asymmetry................-38 king safety scale.............. .....87 king safety tropism..................109 lazy setting.........................60 pass pawn scale......................105 pawn block scale............... .....99 pawn scale..................... .... 96 incheck extension setting............54 mate extension setting...............43 one response extension setting.......57 pawn push extension setting..........45 recapture extension setting..........36 start extension setting..............30 White(1): new //start another game and new setting are created Crafty v19.12 SE [Jekyll & Hyde] (1 cpus) SE code enabled Jekyll & Hyde random personality is selected! Below are the settings if they seem to be noteworthy! Keeper setting 1==yes, 0==no 0 queen value..........................903 rook value...........................510 bishop value.........................287 knight value.........................300 pawn value...........................91 book random (0=off)............ .....1 book selection width.................5 delay time limit,(0=off:1=on)........0 draw score setting...................0 search depth.........................0 special edition code (1=off:0=on)....0 time usage setting (0=normal)........0 window beta initial setting..........40 king safety asymmetry................-26 king safety scale.............. .....123 king safety tropism..................118 lazy setting.........................60 pass pawn scale......................110 pawn block scale............... .....95 pawn scale..................... .... 95 incheck extension setting............55 mate extension setting...............41 one response extension setting.......34 pawn push extension setting..........59 recapture extension setting..........43 start extension setting..............30 White(1): ============================================================== All the random settings created will fall within a range that will still play very good chess - and if you find a setting that beats Shredder 8 consistently, drop Bob Hyatt a line! Best, Michael ps It might be ready by the weekend - no more changes - just code cleanup and testing this week. Also, I have it set so that it will spit out all the settings used every game that "Jekyll & Hyde" is used IF you keep the log turned on.
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