Author: Mike Hood
Date: 09:14:38 02/28/02
On February 27, 2002 at 21:44:42, Jorge Pichard wrote: >On February 27, 2002 at 17:13:12, Mike Hood wrote: > >>On February 26, 2002 at 18:57:02, Jorge Pichard wrote: >> >>>On February 26, 2002 at 17:21:31, Torstein Hall wrote: >>> >>>>On February 26, 2002 at 15:31:57, Jorge Pichard wrote: >>>> >>>>>On February 26, 2002 at 15:12:23, Torstein Hall wrote: >>>>> >>>>>>On February 26, 2002 at 14:41:03, Bernardo Wesler wrote: >>>>>> >>>>>>>Can anyone help me to configure the best engine parameters for fritz 7 and blitz >>>>>>>5 min games? >>>>>>>Thx >>>>>> >>>>>>I'm not sure if this is easy to improve, but in my view F7 gives away the bishop >>>>>>to fast so I like to improve Bishop values a little. >>>>>> >>>>>>Torstein >>>>> >>>>> >>>>>That is easy to improve, simply assign a value to the bishop a little bit higher >>>>>than the knight. >>>> >>>>The hard part is to know if it is really an improvment. >>>> >>>>Torstein >>> >>> >>>I Have been testing my settings of Fritz 7 on two different AMD computers and my >>>settings is scoring a little bit higher. >>> >>>AMD Athlon 1.2 Ghz Settings: AMD Athlon XP 1600+ Settings: >>> >>>Contemp value = 15 Contemp value = 15 >>> >>>Selectivity = 2 Selectivity = 2 >>> >>>Tablebase depth = 3 Tablebase dep = 3 >>> >>>Futility Pruning = On Futility Pruning = On >>> >>>Aggressiveness = 2 Aggressiveness = 2 >>> >>>Value Computer Queen = 95 Default >>> >>>Value Computer Rook = 50 Default >>> >>>Value Computer Bishop = 33 Default >>> >>>Value Computer Knight = 32 Default >>> >>>Value Computer pawn = 10 Default >>> >>>The difference in these two computers are not too noticeable, but the slower AMD >>>Athlon 1.2Ghz won a short match of 15 games by a small margin of 2 games at G/30 >>>blitz. >>> >>>Jorge >> >>The default values of the engine parameters for the piece values in Fritz 7 are >>all zero. I had always assumed it was an offset, so it could be set to plus or >>minus values, but it seems as if you've been setting values in decipawn units, >>based on the traditional piece values (9,5,3,3,1). There doesn't seem to be a >>description included with Fritz 7 itself, unless I've missed something? > > >The problem with the traditional piece values of (9,5,3,3,1) is that it becomes >impossible to give the bishop a little bit more weight than the knight; >for instance, to give the bishop a 4 would be a terrible mistake in comparison >to the pawn's value and it doesn't represent the bishop in proportion to the >knight. > >Jorge Thanks, Jorge, but my query was actually about something else. How did you know that you had to set the piece values to Q=95, R=50, B=33, N=32, P=10, instead of something like Q=-10, R=0, B=5, N=-5, P=0 ?
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