Individual Calculations September 2022
 Vale Cruz, Armin  Total change: 64.60  Rating chartPersonal card
 July 2022 BayAreaChess 2-Day Championship 1500-1999 Milpitas, CA USA 2022-07-30
RcRownchangeKK*chgGame
 1478 1453 3.00 3 1.55 20 31.00 
  Pragash, Prabhav 1291 USA1.0010.29205.80 
  Meiyappan, Kavya 1381 USA1.0010.40208.00 
  Tia Jr, Rudy Goce 1762 PNG1.0010.862017.20 

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)
 
 2022 US Class National Championship - Class B Milpitas, CA USA 2022-08-12
RcRownchangeKK*chgGame
 1417 1453 1.00 3 -0.65 20 -13.00 
  Yi, Colin 1407 USA1.0010.44208.80 
  Bhattacharjya, Rishi 1468 USA0.001-0.4820-9.60 
  Xiao, Marina 1376 USA0.001-0.6120-12.20 

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)
 
 12th annual Central California Open Under 2100 Fresno CA USA 2022-08-19
RcRownchangeKK*chgGame
 1619 1453 4.00 5 2.33 20 46.60 
  Ghosh, Prarthan 1622 USA0.5010.22204.40 
  Xia, Joshua 1684 USA1.0010.792015.80 
  Fan, Allen Shenghan 1473 USA1.0010.532010.60 
  Libon, Jean Pierre Dish Ramos 1994 PER1.0010.972019.40 
  Jin, Austin 1320 USA0.501-0.1820-3.60 

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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