Author: Eduard Nemeth
Date: 14:53:17 08/29/02
Go up one level in this thread
On August 29, 2002 at 17:36:48, Torstein Hall wrote: >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 I understand now. But I test all programs with default parameters, and sel. 0 is by Fritz _NOT_ for to play games, or you have seen a game with Fritz with sel. 0 (I not)? Regards, Eduard > > >>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
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