Author: Chris Carson
Date: 11:49:53 07/28/00
Go up one level in this thread
On July 28, 2000 at 10:25:14, Bertil Eklund wrote: >On July 28, 2000 at 03:49:58, blass uri wrote: > >>On July 28, 2000 at 01:16:36, Lanny DiBartolomeo wrote: >> >>>On July 28, 2000 at 00:58:14, Jouni Uski wrote: >>> >>>>I made comparison between Carson's latest human list and SSDF to clear >>>>possible level difference. But it's very difficult, when there are not many >>>>exactly same software and hardware combinations. I removed multiprosessor >>>>results and made assumption, that difference between 200MMX and 450 Mhz is 79p >>>>(for comp-comp, sure not for human-comp). Here's some figures: >>>> >>>> Program average speed Against humans SSDF rating difference >>>> >>>> Rebel 431Mhz 2549/33 games 2594 (200MMX+79p) -45 >>>> Fritz6 500Mhz 2457/15 2721 (450) -264 >>>> Hiarcs6 272Mhz 2573/20 2518 (200MMX) +55 >>>> Shredder 500Mhz 2495/8 2676 (450) -181 >>>> CM5/6K 375Mhz 2521/14 2653 (200MMX+79p) -132 >>>> >>>>This means, that average difference (Against human - SSDF rating) is -85p. >>>>(Weighted difference for all 90 games). >>>> >>>>I think this confirms general feeling, that SSDF must drop level by 100 points. >>>>Counting these multiprosessor Junior/Fritz may still lower level. >>>> >>>>I this this kind of list is much more reasonable than current: >>>> >>>> 1 Fritz 6.0 128MB K6-2 450 MHz 2621 >>>> 2 Junior 6.0 128MB K6-2 450 MHz 2589 >>>> 3 Chess Tiger 12.0 DOS 128MB K6-2 450 2571 >>>> 4 Fritz 5.32 128MB K6-2 450 MHz 2554 >>>> 5 Nimzo 7.32 128MB K6-2 450 MHz 2553 >>>> 6 Junior 5.0 128MB K6-2 450 MHz 2526 >>>> 6 Hiarcs 7.32 128MB K6-2 450 MHz 2526 >>>> 8 Crafty 17.07/CB 128MB K6-2 450 MHz 2524 >>>> 9 Nimzo 99 128MB K6-2 450 MHz 2523 >>>> 10 Hiarcs 7.32 64MB P200 MMX 2477 >>>> 11 Fritz 5.32 64MB P200 MMX 2475 >>>> 12 Chessmaster 6000 64MB P200 MMX 2474 >>>> 13 Hiarcs 7.0 64MB P200 MMX 2460 >>>> 13 Fritz 5.0 PB29% 67MB P200 MMX 2460 >>>> 15 Nimzo 99 64MB P200 MMX 2449 >>>> 16 Junior 5.0 64MB P200 MMX 2437 >>>> 17 Nimzo 98 58MB P200 MMX 2425 >>>> 18 Rebel 9.0 47MB P200 MMX 2420 >>>> 19 Hiarcs 6.0 49MB P200 MMX 2418 >>>> 20 Rebel 8.0 51MB P200 MMX 2410 >>>> >>>>Jouni >>> >>>Yes, but if you leave Fritz6 on top it is too inflated compared to human games, >>> and dropping hiarcs rating would be a problem as well since it earned its >>>rating 2573, it seems like the damage is done and you need a separate ratings >>>list for comps vs human. I do not think you can just lower the ratings straight >>>across the board. >>> Lanny >> >>I think that the leader of the ssdf(if it is not for a short period) will always >>be inferior against computers(unless there is a big difference of more than 100 >>elo ssdf rating). >> >>The best players will always buy the number 1 in the ssdf and prepare against it >>so programs number 2 and number 3 can get better result against humans because >>humans are less prepared against them. >> >>Fritz is leading the ssdf most of the time in the last years. >> >>Some other programs like Junior and tiger and chessmaster could be the leaders >>only for a short time. >> >>This is the reason that people buy more fritz and this is the reason that fritz >>is inferior against humans(I talked with one of the players in the israeli >>league and he told me that he prepared against Fritz but did not prepared >>against other programs). >> >>Uri >Hi! > >I fully agree with you because i have spoked with a lot of strong players and >almost everyone plays and analyzes with Fritz all day long. > >In the next list august 4 or 5 we are going to subtract maybee 100 points (still >under discussion) > >Bertil SSDF That just shows that a lot of players respect the work you do to produce this list as well. I have heard the same as you and Uri about Fritz being used a lot. Great work on compilation of the list and all the hard work and research to keep it calibrated for both computers and human results. This is still the most valid/accurate/reliable source of information on computer chess strength. Best Regards, Chris Carson
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