Individual Calculations February 2023
 Rorrer, Grayson  Total change: -21.20  Rating chartPersonal card
 2023 New York Winter Invitationals - IM C New York, NY USA 2023-01-12
RcRownchangeKK*chgGame
 2327 2332 3.50 9 -1.06 20 -21.20 
  Rautela, Saksham m2366 IND1.0010.552011.00 
  Nakada, Akira f2304 USA0.001-0.5420-10.80 
  Hardaway, Brewington c2345 USA0.5010.02200.40 
  Kaczur, Florian m2471 HUN0.001-0.3120-6.20 
  Dukic, Zachary f2226 CAN0.501-0.1420-2.80 
  Yudasin, Leonid G g2393 ISR0.5010.08201.60 
  Wang, Eigen f2308 USA0.501-0.0320-0.60 
  Huston, Gus f2253 USA0.001-0.6120-12.20 
  Narayanan, Samrug f2278 USA0.501-0.0820-1.60 

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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