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

Author: Derrick Wilson

Date: 00:20:29 07/28/00

Go up one level in this thread


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?



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