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Subject: Re: My proposal to SSDF: decrease level by 100 points

Author: Lanny DiBartolomeo

Date: 00:32:42 07/28/00

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On July 28, 2000 at 03:20:29, Derrick Wilson 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
>
>
>   What evidence do you have that Fritz6 rating would be inflated? I hope your
>not going by the few games played at the israeli league?

did you look at the text that was posted above? , then you should see what
"evidence" I am going by. fritz6 500mhz 2457/15 against humans an against
computers is 2721 , if this is correct or not ask Jouni those are the numbers
given and I am giving an opinion off of the numbers given.



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