Individual Calculations September 2011
 Shi, Jason  Total change: 4.50  Rating chartPersonal card
 2011 North American Youth Championship - U12 Open Tarrytown, New York USA 2011-06-26
RcRownchangeKK*chgGame
 1995 1918 1.50 2 0.71 30 21.30 
  Preotu, Razvan 1974 CAN1.0010.583017.40 
  Pillai, Kadhir 2015 USA0.5010.13303.90 

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)
 
 16th Annual Bradley Open Windsor Locks, Connecticut USA 2011-07-22
RcRownchangeKK*chgGame
 2180 1918 0.00 2 -0.41 30 -12.30 
  Yedidia, Jonathan m2318  * USA0.001-0.0830-2.40 
  Colas, Joshua 2041 USA0.001-0.3330-9.90 
 * 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)
 
 17th Annual Northeast Open Stamford, Connecticut USA 2011-08-05
RcRownchangeKK*chgGame
 2043 1918 1.50 5 -0.15 30 -4.50 
  Hua, David 2042 USA0.001-0.3330-9.90 
  Chandran, Kapil 2048 USA0.001-0.3230-9.60 
  Hutton, Jack 2022 USA0.5010.14304.20 
  Guevara, Robert N 2089 USA0.001-0.2730-8.10 
  Pillai, Kadhir A 2013 USA1.0010.633018.90 

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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