Individual Calculations May 2020
 Oragwu, Chukwunonso  Total change: 7.40  Rating chartPersonal card
 NIGERIA CHESS FEDERATION NATIONAL CHESS CHAMPIONSHIPS OPEN SECTION IWO NGR 2020-03-30
RcRownchangeKK*chgGame
 2216 2230 5.00 9 0.37 20 7.40 
  Onokpite, Kennedy 2188 NGR1.0010.44208.80 
  Okeke, Issac 2008 NGR0.501-0.2820-5.60 
  Abdulraheem, Abdulrahman Akintoye f2267 NGR0.5010.05201.00 
  Osunfuyi , Abimbola f2242 NGR0.001-0.4820-9.60 
  Maduagwuna, Emmanuel 2211 NGR0.501-0.0320-0.60 
  Balogun, Oluwafemi m2284 NGR0.5010.08201.60 
  Akinseye, Abiola f2205 NGR0.501-0.0320-0.60 
  Olape, Bunmi m2241 NGR1.0010.522010.40 
  Anwuli, Daniel m2302 NGR0.5010.10202.00 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 

 

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