Author: Mark Young
Date: 19:24:20 05/22/00
Go up one level in this thread
On May 22, 2000 at 18:35:44, Joshua Lee wrote: >This is the problem i get juggling those numbers.... >Deeper Blue 1997 (15at a minimum)17-18 Ply 2817 (USCF) > 200 MNPS 2.048Thz > >2817USCF -50 or -100 2767 or 2717FIDE (not to get sidetracked but keep this >in mind -107 2660 or 2610) > >You said DB2 is +1 ply because it is 2x Faster let's keep in mind the minimum >Ply as well > Deep Blue 1996 (14Ply Min 16-17 Ply (*)14 Ply >2642(FIDE?) > 100 MNps 1.024Thz > >512Ghz would be 50MNps and (13Ply Minimum)15 Ply so 2642-50= 2592 or -60 >=2582 >or is it -90 =2552??? > >i could really confuse things by considering Deep Blue's Positional Strength >as plain and simple a Programs strength is just it's positional play (which >isn't a fact ) people play program X but only positionally. They keep the >position devoid of tactics... >so let's say 2535- 50 =2485 or -60 = 2475 or is it 2445? > >Something tells me that this is going to end up Showing that PC's are around >2000 which isn't the case!! > >what i was saying above is that i don't know that we should say programs are >-107 or so because lack of positional strength. I got this number by not >counting the first game of the DB1 match Kasparov's rating at the time was 2775 >which is in itself way inflated from the 70's but that is another topic. >I remember someone saying how if you disregarded the first game the results show >that even at this depth the positional strength of DB was at 2535 (-107) > >You said : doubling the cpu speed is generally said to produce 50-60 rating >points.Since the typical effective branching factor is around 3.0, every time >the >speed is tripled, we get another ply, and using the 60 point figure above, >a ply would be about 90 rating points, roughly. But there is nothing that >says that as we go deeper this doesn't taper off. Nor is there anything that >says that as we go deeper, the gain doesn't actually get larger... You are wrong, there is a lot of "say" that shows as you increase ply depth the next ply you increase gets fewer and fewer rating points. > >Keeping your last two sentences in mind... > > -50 > -60 -90 >2.048Thz 200 Mnps 15Ply Min 17Ply 2692 2702 2732 <---?? > >Deeper Blue 1997 (15at a minimum)17-18 Ply 2817 (USCF) > 200 MNPS 2.048Thz 2817USCF -50 or -100 2767 or 2717FIDE > >Deep Blue 1996 16-17 Ply (*)14 Ply 2642(FIDE >(*2535 Positional Play Strength?) 100 MNps 1.024Thz?? 32node *6 =192 processors >1.024Thz 100 Mnps 14PlyMin 16Ply 2642 2642 2642 >512Ghz 50Mnps 13Ply Min 15Ply 2592 2582 2552 >256Ghz 25Mnps (12Ply Min) 14Ply 2542 2522 2462 >128Ghz 12.5Mnps (11PlyMin) 13Ply 2492 2462 2372 > >Deep Thought II 1991 6-7 Million Nps 64Ghz? > >64Ghz 6.25Mnps (10Ply) 12Ply 2442 2402 2282 >32Ghz 3.125Mnps (9Ply) 11Ply 2392 2342 2192 > >Deep Thought 1989 2480-2500 (FIDE) 2 Mnps 20Ghz?* >16Ghz 1.562.500nps (8) 10Ply 2342 2282 2102 >8Ghz 781,250nps (7) 9Ply 2292 2222 2012 >Deep Thought 0.02 1988 2551(USCF) 2501 or 2451(FIDE?)750KNps* 7.453Ghz >In 1988 DEEP THOUGHT and Grandmaster Tony Miles shared first place in the U.S. >Open championship. DEEP THOUGHT had a 2745 performance rating. > 2745-180 = 2565? don't you subtract 180 to get a true rating from a >performance one? >4Ghz 390,625nps (6) 8Ply 2242 2162 1922 >Hitech 1995 200KNps >2Ghz 195,312nps (5) 7Ply 2192 2102 >1832 >Hitech 1988 2413(USCF) 2363 or 2313FIDE? 175 KNps >In 1985 HITECH achieved a performace rating of 2530. 2530-180 = 2350 > > Belle 1983 2208 160KNps > >1Ghz 97,656nps (4) 6Ply 2142 2042 >1742 > Hiarcs 7.32 2000 98-134KNps 1Ghz > Hiarcs 7.32 2000 2660(LCTII)2460(FIDE est)87-123KNps 880AMD > Belle 1983 2208 160KNps > >One other thing to keep in mind is that Hiarcs looks at a Minimum of 7 usually 8 >but on average 9 or 10 sometimes 11Ply in the middlegame on my computer which is >about 120Mhz shy of 1Gig. > Something Tells me that Hiarcs is just a little bit stronger than 2142??? >* I swear i read that Deep Thought searched 12Ply in 1989 against Kasparov >I don't know if this is so and my other thought is how much of a difference does >the extensions Hiarcs gives in a position i.e if it say's that it is looking >9/30ply >how does that compare with Deep Blue saying it is looking 16Ply? >anotherwords in the same position is 16 Hiarcs ply the same as 16 Deep Blue ply >maybe that is the key to the differences in the list above. >thankyou
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