Individual Calculations September 2009
 Romero, Steve  Total change: -29.75  Rating chartPersonal card
 14th Annual Bradley Open Windsor Locks, Connecticut USA 2009-07-24
RcRownchangeKK*chgGame
 2100 2024 0.00 3 -1.19 25 -29.75 
  Sharp, Dale E 2031 USA0.001-0.4925-12.25 
  Obregon, Juan L c2172 MEX0.001-0.3025-7.50 
  Weser, Adam 2098 USA0.001-0.4025-10.00 

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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