Author: Graham Laight
Date: 11:53:22 09/01/00
Go up one level in this thread
On August 31, 2000 at 09:35:53, Robert Hyatt wrote: >On August 31, 2000 at 06:06:53, Graham Laight wrote: > >>On August 30, 2000 at 06:30:23, Alexander Kure wrote: >> >>>On August 29, 2000 at 23:19:59, Robert Hyatt wrote: >>> >>>>On August 29, 2000 at 19:18:17, Alexander Kure wrote: >>>> >>>>>On August 29, 2000 at 13:58:52, Graham Laight wrote: >>>>> >>>>>>Firstly, apologies to everyone for dashing off after the last game in the WMCCC. >>>>>> >>>>>>It enabled me to get an extra day's holiday with my girlfriend, though, which >>>>>>was well worthwhile! >>>>>> >>>>> >>>>>Well deserved, Graham! >>>>>Thanks again for your work. >>>>> >>>>>[...] >>>>> >>>>>This game clearly showed that Fritz plays in a different league than Crafty! In >>>>>fact I think this was one of the best games of the WMCCC. >>>>> >>>>>Greetings >>>>>Alex >>>> >>>> >>>>My take on this game is a bit different. I do _not_ want my program to make >>>>such a sacrifice and then see the eval steadily go _down_ over the next few >>>>moves. It means one of two things for it to win such a game: >>>> >>>>1. The eval is bogus. It is saying "this is bad" when in reality "this is >>>>good". I don't want that sort of evaluation. >>>> >>>>2. The program was lucky. A little luck doesn't hurt. But it doesn't win >>>>tournaments very often. >>>> >>>>Either the eval was wrong, or it was lucky. Neither one leave me feeling like >>>>"fritz is in a different league than Crafty..." >>>> >>>>I suspect white has better moves that might have justified the pessimistic eval >>>>Fritz had... The right program might have made that sacrifice look as ugly as >>>>this game made it look brilliant... >>> >>>Hi Bob, >>> >>>When Graham said that Fritz's evaluation was steadily going down he meant that >>>it was steadily increasing on the negative score thus going up for Fritz, as >>>Fritz had black and the evaluation is always shown from white's point of view. >> >>Unfortunately, I have to disagree. >> >>As I remember it, immediately after the sac, Fritz scored itself as being >>positive. Then, after a few moves, its eval went down to 0, and stayed there for >>quite a while (Crafty was still scoring itself as quite positive - between 1 and >>2 points). >> >>Eventually, of course, it came back up again and Fritz won the game. >> >>By the way, I will try to obtain Crafty's logs for tomorrow. The time setting Crafty logs sent. -g >>was 60/115/sd/25 - which means 60 moves in 115 minutes followed by game in 25 >>minutes (the actual clock time was 60 moves in 2 hours and then complete the >>game in 30 minutes). >> >>-g > > >That looks perfectly reasonable. I have this sinking feeling that something >else was _also_ reserving some extra operator time, which caused the faster than >normal moving... Or else there is a bug that has gone undetected for at least >a couple of years... > > > > > >> >>>Greetings >>>Alex
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