Individual Calculations April 2023
 Zapata, Alonso  Total change: -13.60  Rating chartPersonal card
 Spring 2023 CCC IM Norm Invitational - B Charlotte, North Carolina USA 2023-03-15
RcRownchangeKK*chgGame
 2226 2341 4.50 9 -1.36 10 -13.60 
  Sandoval Mercado, Carlos f2269 MEX0.001-0.6010-6.00 
  Luo, Terry f2310 USA0.001-0.5410-5.40 
  Quesada Vera, Liordis m2310 CUB0.501-0.0410-0.40 
  Reiss, Aiden 2112 USA1.0010.21102.10 
  Johnson, Donald f2240 USA1.0010.36103.60 
  Putnam, Liam f2285 USA0.501-0.0810-0.80 
  Chirilov, James 2168 USA0.501-0.2310-2.30 
  Martin Del Campo, Roberto m2215 MEX0.501-0.1710-1.70 
  Yang, Qindong 2127 CHN0.501-0.2710-2.70 

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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