Author: Torstein Hall
Date: 14:36:48 08/29/02
Go up one level in this thread
On August 29, 2002 at 16:50:06, Eduard Nemeth wrote: >On August 29, 2002 at 14:09:01, Torstein Hall wrote: > >>If you set selectivity to 0 in F7 it solves the probledm imidiately >>New game >> >>1kB5/p1p5/P1P5/PKp5/P1P5/8/7p/6bR w - - 0 1 >> >>Analysis by Fritz 7: >> >>1.Bb7! >> +- (#7) Depth: 10/19 00:00:00 20kN >> >>(H, Privat 29.08.2002) >> >>Torstein > >I clear allways the hashtables!! > >Here in ****This Moment*** after Hashclear: > The main point was to set selectivity to 0 under parameters. It looks like it removes a lot of null-move problems. Like in this example. Probably makes Fritz weaker though. Torstein >Neue Partie >1kB5/p1p5/P1P5/PKp5/P1P5/8/7p/6bR w - - 0 1 > >Analysis by Fritz 7: > >1.Le6 Ka8 2.Lh3 Kb8 3.Lf5 Ka8 > +- (4.06) Tiefe: 17/18 00:00:00 61kN >1.Le6 Ka8 2.Lh3 Kb8 3.Lf5 Ka8 > +- (4.06) Tiefe: 18/19 00:00:00 70kN >1.Le6 Ka8 2.Lh3 Kb8 3.Lf5 Ka8 > +- (4.06) Tiefe: 19/19 00:00:00 92kN >1.Le6 Ka8 2.Lh3 Kb8 3.Lf5 Ka8 > +- (4.06) Tiefe: 20/21 00:00:00 123kN >1.Le6 Ka8 2.Lh3 Kb8 3.Lf5 Ka8 > +- (4.06) Tiefe: 21/23 00:00:01 176kN >1.Le6 Ka8 2.Lh3 Kb8 3.Lf5 Ka8 > +- (4.06) Tiefe: 22/23 00:00:01 243kN >1.Le6 Ka8 2.Lh3 Kb8 3.Lf5 Ka8 > +- (4.06) Tiefe: 23/25 00:00:01 317kN >1.Le6 Ka8 2.Lh3 Kb8 3.Lf5 Ka8 > +- (4.06) Tiefe: 24/26 00:00:02 418kN >1.Le6 Ka8 2.Lh3 Kb8 3.Lf5 Ka8 > +- (4.06) Tiefe: 25/25 00:00:02 577kN >1.Le6 Ka8 2.Lh3 Kb8 3.Lf5 Ka8 > +- (4.06) Tiefe: 26/27 00:00:03 813kN >1.Le6 Ka8 2.Lh3 Kb8 3.Lf5 Ka8 > +- (4.06) Tiefe: 27/29 00:00:04 1189kN >1.Le6 Ka8 2.Lh3 Kb8 3.Lf5 Ka8 > +- (4.06) Tiefe: 28/30 00:00:06 1741kN >1.Le6 Ka8 2.Lh3 Kb8 3.Lf5 Ka8 > +- (4.06) Tiefe: 29/31 00:00:09 2590kN > >(Nemeth, Stuttgart 29.08.2002) > >> >>PS Remember to clear hashtable if you change setings >> >> >>On August 29, 2002 at 12:32:49, Eduard Nemeth wrote: >> >>>On August 29, 2002 at 11:15:25, Uri Blass wrote: >>> >>>>On August 29, 2002 at 10:46:45, Volker Pittlik wrote: >>>> >>>>>On August 29, 2002 at 10:01:58, Eduard Nemeth wrote: >>>>> >>>>>... >>>>>> >>>>>>[D]1kB5/p1p5/P1P5/PKp5/P1P5/8/7p/6bR w >>>>>> >>>>>> >>>>>>Analysis by Fritz 7.008: >>>>>> >>>>>>1.Le6 Ka8 2.Lh3 Kb8 3.Lf5 Ka8 >>>>>> +- (4.06) Tiefe: 35/47 00:01:39 33456kN, tb=138 >>>>>>1.Le6 Ka8 2.Lh3 Kb8 3.Lf5 Ka8 >>>>>> +- (4.06) Tiefe: 36/48 00:02:33 51206kN, tb=301 >>>>>>1.Le6 Ka8 2.Lh3 Kb8 3.Lf5 Ka8 >>>>>> +- (4.06) Tiefe: 37/51 00:03:37 74332kN, tb=604 >>>>> >>>>> >>>>>All engines I tested (Amy, Aristarch, Crafty, Comet, Dragon, LambChop, Nejmet, >>>>>Pepito, SOS, Tao and Yace) found a mate within a second. I tried Fritz and >>>>>confirm Eduard's post. What's wrong with Fritz here? >>>> >>>>Fritz is using null move in a more aggresive way. >>> >>>YES then... >>> >>>Analysis by Fritz 5.32: >>> >>>1.Le6 Ka8 2.Ld7 Kb8 3.Lg4 Ka8 4.Le6 Kb8 5.Ld7 Ka8 >>> +- (4.78) Tiefe: 17/21 00:00:03 86kN >>>1.Lb7! >>> +- (4.88) Tiefe: 17/21 00:00:03 95kN >>>1.Lb7 Lf2 2.Txh2 Ld4 3.Th6 Lf6 >>> +- (#8) Tiefe: 17/36 00:00:16 9379kN >>> >>>!!! >>> >>>Eduard >>> >>>> >>>>I even know about cases when it has the right move but no pv because the move >>>>threats nothing. >>>> >>>>I know about no other program with that behaviour. >>>> >>>>Uri
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.