Individual Calculations December 2017
 Foisor, Sabina-Francesca  Total change: -30.60  Rating chartPersonal card
 2017 Saint Louis Invitational - IM Saint Louis, Missouri USA 2017-11-17
RcRownchangeKK*chgGame
 2326 2369 3.50 9 -1.53 20 -30.60 
  Grabinsky, Aaron 2362 USA0.001-0.5120-10.20 
  Arias Santana, Mauricio m2308 CRC1.0010.42208.40 
  Wang, Justin 2254 USA0.001-0.6620-13.20 
  Wang, Annie wm2295 USA0.001-0.6020-12.00 
  Hua, Lefong f2310 CAN0.501-0.0820-1.60 
  Torres Rosas, Luis Carlos m2353 MEX0.501-0.0220-0.40 
  Yip, Carissa fwf2311 USA1.0010.42208.40 
  Larson, Matthew f2392 USA0.5010.03200.60 
  Neimer, Vitaly m2346 ISR0.001-0.5320-10.60 

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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