Individual Calculations June 2019
 Chambers, Ezra  Total change: -15.20  Rating chartPersonal card
 Spring 2019 Tuesday Night Marathon San Francisco, California USA 2019-03-19
RcRownchangeKK*chgGame
 2030 2334 5.00 7 -0.87 20 -17.40 
  Lehman, Clarence 1947 USA1.0010.09201.80 
  Hakobyan, Sos 1934  * USA0.001-0.9220-18.40 
  Askin, Michael 1934  * USA1.0010.08201.60 
  Wong, Russell 1961 USA1.0010.10202.00 
  Shaw, Tenzing 2230 USA0.501-0.1420-2.80 
  Ivanov, Aleksandr 2119 USA1.0010.23204.60 
  Li, Eric Yuhan c2088 USA0.501-0.3120-6.20 
 * 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)
 
 2019 Saint Louis Norm Congress - IM Saint Louis, Missouri USA 2019-05-16
RcRownchangeKK*chgGame
 2322 2241 4.00 9 0.49 20 9.80 
  Grabinsky, Aaron 2338 USA1.0010.632012.60 
  Giannatos, Peter f2290 USA0.001-0.4320-8.60 
  Chiku-Ratte, Olivier f2378 CAN1.0010.682013.60 
  Rosen, Eric m2338 USA0.001-0.3720-7.40 
  Jacobson, Aaron f2311 USA0.001-0.4020-8.00 
  Wu, Rochelle wm2174 USA1.0010.41208.20 
  Shankar, Gauri f2375 IND0.001-0.3220-6.40 
  Kiewra, Keaton m2375 USA0.5010.18203.60 
  Torres, Luis Carlos m2320 MEX0.5010.11202.20 

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)
 
 2019 Best of the West Class Championship Santa Clara, California USA 2019-05-25
RcRownchangeKK*chgGame
 1903 2241 0.50 1 -0.38 20 -7.60 
  Biyiasas, Theodore 1903 USA0.501-0.3820-7.60 

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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