Author: Wayne Lowrance
Date: 16:26:36 11/17/04
Go up one level in this thread
On November 17, 2004 at 17:34:25, Dann Corbit wrote: >On November 17, 2004 at 14:20:09, James T. Walker wrote: > >>On November 17, 2004 at 05:34:02, Uri Blass wrote: >> >>>On November 16, 2004 at 21:08:19, Dann Corbit wrote: >>> >>>>On November 16, 2004 at 20:37:09, Wayne Lowrance wrote: >>>> >>>>>Being a proud owner of Chess Tiger 14, it pains me to observe posting results >>>>>here of Tiger 2004. It seems after a long pause since Tiger 15 that Tiger 2004 >>>>>is not performing, so far, as well as I would have hoped. >>>>>I passed on buying Tiger 15 waiting for Tiger 16 (2004 , guess) and now I dont >>>>>expect to buy this version of Tiger for the present time being. >>>>>Very sad 4 me because Gambit tiger was/is a fun engine... >>>>>With respect and not wishing to harm Christopher. >>>> >>>>From the sound of it, it is a complete redesign. >>>>I have ordered a copy (which comes with Chess Assistant 8). >>>>I expect to watch how it plays, to see how much I enjoy it. >>>> >>>>I expect big things from Christophe. He has a much faster NPS now, and so he >>>>has more slack to play with than before. >>> >>> >>>I think that nodes per second are irrelevant here. >>> >>>Being twice faster is not more than 50 elo at the ssdf time control and the gap >>>between shredder and tiger is clearly bigger. >>> >>> >>> >>> This is an engine that may challenge >>>>Shredder before long. Sometimes, a step sizeways (or even backwards) is >>>>necessary before we can take a big step forwards. >>> >>>I do not expect it to challenge shredder. >>>It may be better than shredder8 after enough time but shredder also gets better. >>> >>>Uri >> >>The problem I see is that it's 2 times faster (Nps) but not 50 Elo stronger. In >>fact at blitz time control G/5min it is showing only about 10 Elo higher than >>Chess Tiger 15 after over 600 games. If you increase the speed by a factor of 2 >>and do nothing else you should get a better improvement than what is showing up >>in my test. > >If he had simply put CT on a machine twice as fast, we would see 2x faster and + >50 Elo or so. But he has (obviously) changed the internal representations in >some way. Probably, he will have to rewrite lots of things involving evaluation >(though search should not need much change). > >CT has sat at #1 on the SSDF. If he decides to put the effort into it, it would >be very unsurprising to me if he sat there again. I am rooting for christophe to achieve this goal Wayne
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