Individual Calculations July 2010
 Mc Laren, Leonard  Total change: -17.55  Rating chartPersonal card
 33rd Waitakere Open Auckland NZL 2010-06-05
RcRownchangeKK*chgGame
 2039 2223 2.50 5 -1.17 15 -17.55 
  Perry, Roger 2031 NZL0.501-0.2515-3.75 
  Maroroa, Sue wm1926 NZL0.501-0.3515-5.25 
  Gibbons, Robert 2002 NZL1.0010.22153.30 
  Shen, Daniel 2161 NZL0.501-0.0915-1.35 
  Browne, Jeremy 2077 NZL0.001-0.7015-10.50 

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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