Individual Calculations August 2015
 Tarhon, Brian  Total change: 38.80  Rating chartPersonal card
 3rd Annual DC International Arlington, Virginia USA 2015-06-25
RcRownchangeKK*chgGame
 2181 2209 5.50 9 0.63 40 25.20 
  Jussupow, Artur g2584 GER0.001-0.0940-3.60 
  Song, Guannan Terry 1964 CAN0.001-0.8040-32.00 
  Davila Blanco, Juan Jose 1863 PUR1.0010.11404.40 
  Helfst, Matt D 1941 USA1.0010.17406.80 
  Mekhitarian, Krikor Sevag g2571 BRA0.001-0.1040-4.00 
  De Fotis, Gary 1957 USA1.0010.19407.60 
  Gaffagan, Steven 2069 USA1.0010.314012.40 
  Brown, Michael William f2354 USA0.5010.19407.60 
  Nuri, Kambez f2322 SUI1.0010.654026.00 

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)
 
 43rd Annual World Open Arlington, Virginia USA 2015-07-01
RcRownchangeKK*chgGame
 2279 2209 3.00 7 0.09 40 3.60 
  Zhou, Jianchao g2601 CHN0.001-0.0840-3.20 
  Yip, Carissa 1997 USA1.0010.23409.20 
  Liang, Awonder f2408 USA0.001-0.2440-9.60 
  Ippolito, Dean m2395 USA0.5010.24409.60 
  Cao, Jason f2332 CAN0.001-0.3340-13.20 
  De Fotis, Gary 1957 USA1.0010.19407.60 
  Pressman, Leif f2265 USA0.5010.08403.20 

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)
 
 8th New York International Championship New York, New York USA 2015-07-15
RcRownchangeKK*chgGame
 2186 2209 5.00 9 0.25 40 10.00 
  Frumkin, Edward 1886 USA1.0010.13405.20 
  Checa, Nicolas D f2344 USA0.001-0.3240-12.80 
  Mena Crespo, Carlos Enrique f2293 CUB0.001-0.3840-15.20 
  Kazarian, Anna-Maja wf2120 NED0.501-0.1240-4.80 
  Nydick, Brandon 2019 USA0.501-0.2540-10.00 
  Sena, Juan 2059 DOM1.0010.304012.00 
  Chandran, Kapil c2257 USA0.5010.07402.80 
  Niemann, Hans M 2197 USA1.0010.484019.20 
  Molner, Mackenzie g2498 USA0.5010.344013.60 

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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