Individual Calculations March 2011
 Helfst, Matt  Total change: -4.95  Rating chartPersonal card
 20th Annual North American Open Las Vegas, Nevada USA 2010-12-26
RcRownchangeKK*chgGame
 2102 1919 0.50 5 -0.94 15 -14.10 
  Brownscombe, Tom f2168 USA0.5010.31154.65 
  Wang, Kevin 2176 USA0.001-0.1815-2.70 
  Panjwani, Raja m2319  * CAN0.001-0.0815-1.20 
  Gershenov, Ben 2044 USA0.001-0.3315-4.95 
  Lin, Dachey 1802 USA0.001-0.6615-9.90 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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)
 
 2011 Berekely International Berkeley, California USA 2011-01-02
RcRownchangeKK*chgGame
 2305 1929 1.00 4 0.61 15 9.15 
  Almeida, Alfonso m2329  * MEX1.0010.921513.80 
  Collins, Sam m2329  * IRL0.001-0.0815-1.20 
  Amanov, Zhanibek m2329  * KAZ0.001-0.0815-1.20 
  Carreto, Giovanni c2231 MEX0.001-0.1515-2.25 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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