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Grading calculator query

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Grading calculator query
andyburnett Offline
Mikhail Botvinnik
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#1
24-11-2012, 05:35 PM
Hi, hopefully someone can explain the following problem to me...

I have downloaded the Grading calculator program and have been entering my results for this season. However, I don't understand some of the adjusted grades being used. Take the following...

Opps Adj Used
1789 1789 1849
1475 1475 1849
1885 1885 1885
2059 2179 2179
2007 2007 2007
1619 1739 1849
2216 2336 2336
1569 1569 1849
2475 2475 2475
1846 1966 1966
2175 2295 2295

...why are the figures in bold 120 points different between actual and adjusted?

Cheers,
Andy Burnett
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Phil Thomas Offline
José Raúl Capablanca
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#2
24-11-2012, 07:03 PM
Andy,

most likely explanation is that the bold figures are grades of juniors. For grading purposes junior grades are enhanced by 120 points before calculating your grade. Linked to an assumption on how fast junior grades rise compared with adults whose grades on the whole tend to go up a little or done a little year upon year.

For a more complete explanation just wait for a computer savvy grading savvy reader to post - shouldn't take long
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hamish olson Offline
Emanuel Lasker
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#3
24-11-2012, 07:52 PM
what have you got as your old grade?
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hamish olson Offline
Emanuel Lasker
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#4
24-11-2012, 08:08 PM
just change the adjusted grade manually - just tried doing my grading for the season a minute ago and one of my games got adjusted from 1787 to 2407!
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andyburnett Offline
Mikhail Botvinnik
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#5
24-11-2012, 08:12 PM
Thanks guys,

Hamish, my 'old' (actually current) rating is 2249.

P.S. In the passing, did you see the following game? Was planning to e-mail you it http://www.chessbase.com/newsdetail.asp?newsid=8628 as I thought it might be of some interest after your games against myself and Boris.

Phil, the gradings aren't for juniors (although perhaps the 'calculator' thinks they are?!). The games are against players like Neil Berry, Eoin Campbell, Dave Findlay etc.

Andy
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hamish olson Offline
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#6
24-11-2012, 08:36 PM
yeah its definitely a line I'm going to look into - quite enjoy playing against the likes of the benoni
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Douglas Bryson Offline
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#7
02-12-2012, 02:20 PM
andyburnett Wrote:I have downloaded the Grading calculator program and have been entering my results for this season. However, I don't understand some of the adjusted grades being used. Take the following...

1789 1789 1849
1475 1475 1849
1885 1885 1885
2059 2059 2059
2007 2007 2007
1619 1619 1849
2216 2216 2216
1569 1569 1849
2475 2475 2475
1846 1846 1849
2175 2175 2175

If there are rogue characters in column B (STATUS) then it may add on the junior addition. Is column B blank?
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andyburnett Offline
Mikhail Botvinnik
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#8
02-12-2012, 03:11 PM
Quote:If there are rogue characters in column B (STATUS) then it may add on the junior addition. Is column B blank?

I've been using column B for the names of all my opponents! That would explain it I guess - cheers Dougie Smile
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Andrew McHarg Offline
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#9
02-12-2012, 04:28 PM
andyburnett Wrote:
Quote:If there are rogue characters in column B (STATUS) then it may add on the junior addition. Is column B blank?

I've been using column B for the names of all my opponents...

Phail. Big Grin
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