Individual Calculations November 2023
 Aminu, Ojo Yusuf  Total change: -34.40  Rating chartPersonal card
 SOUTH SOUTH OPEN CHESS TOURNAMENT NMA BUILDING EAST WEST ROAD, PORTHARCOURT NGR 2023-09-12
RcRownchangeKK*chgGame
 1997 1769 0.00 4 -0.86 40 -34.40 
  Ezeh, Pamella Souter 2002 NGR0.001-0.2140-8.40 
  Erhabor, David f1966 NGR0.001-0.2540-10.00 
  Osadebe, Michael Ikechukwu 2018 NGR0.001-0.1940-7.60 
  Keyi, Lucky Musa 2003 NGR0.001-0.2140-8.40 

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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