Individual Calculations November 2009
 Iwu, Okechukwu A  Total change: -16.95  Rating chartPersonal card
 18th Annual Midwest Class Champinships Wheeling, Illinois USA 2009-10-09
RcRownchangeKK*chgGame
 2188 2202 1.00 4 -1.13 15 -16.95 
  Amanov, Mesgen g2489 TKM0.001-0.1615-2.40 
  Gurczak, John 2086 USA0.501-0.1615-2.40 
  Smith, Garrett L 2120 USA0.001-0.6115-9.15 
  Flaga, Krzysztof 2055 USA0.501-0.2015-3.00 

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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