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Forum Ideachess • View topic - RD Calculations

RD Calculations

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RD Calculations

Postby DATR » Sat Dec 24, 2011 4:41 pm

Zuril: Are you sure the software is calculating the RDs correctly. There doesn't seem to be much variation in players RD and the are mainly around 160 to 190 ish. Other sites talk about RDs below 80 which seems to make more sense. There doesn't seem to be a correlation between number of games played and RD, one would expect high number of games to correlate with lower RDs. Also Garykevinware has an RD of 334 which isn't much below 350 even though he has played over 1000 puzzles. I may be wrong but it doesn't look right to me. Merry Christmas Datr.
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RD Calculations

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Re: RD Calculations

Postby Zuril » Sat Dec 24, 2011 11:56 pm

Zuril
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Re: RD Calculations

Postby DATR » Sun Dec 25, 2011 1:40 am

Your explanation seems reasonable. I have noticed that I am the first person to try many problems so RD will be 350 for these. Thanks DATR
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