Individual Calculations September 2013
 Vibbert, Sean  Total change: -17.55  Rating chartPersonal card
 2nd Annual Washington International - Section A Rockville, Maryland USA 2013-08-06
RcRownchangeKK*chgGame
 2330 2317 4.50 9 0.12 15 1.80 
  Corrales Jimenez, Fidel g2576 CUB0.001-0.1815-2.70 
  Rozman, Levy 2207 USA1.0010.35155.25 
  Chirila, Ioan C g2520 ROU0.001-0.2415-3.60 
  Kane, Jeremy 2196 USA1.0010.34155.10 
  Harmon-Vellotti, Luke f2399 USA0.001-0.3915-5.85 
  Arias, Mario Alexi 2159 PER1.0010.29154.35 
  Neimer, Vitaly m2380 ISR0.001-0.4115-6.15 
  Chevannes, Sabrina L wf2160 ENG1.0010.29154.35 
  Legky, Nikolay A g2369 FRA0.5010.07151.05 

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)
 
 2013 NAYCC U18 Toronto CAN 2013-08-14
RcRownchangeKK*chgGame
 2108 2317 2.50 5 -1.29 15 -19.35 
  Inigo, Aquino 2032 CAN1.0010.16152.40 
  Itkin, David 2021 CAN0.001-0.8515-12.75 
  Sohal, Tanraj 2130 CAN1.0010.26153.90 
  Kraiouchkine, Nikita 2234 CAN0.501-0.1115-1.65 
  Liang, Fm Awonder f2121 USA0.001-0.7515-11.25 

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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