Rapid: Individual Calculations July 2019
 Whelan, Joseph  Total change: 17.40  Rating chartPersonal card
 3rd Kingston Rapidplay Chess Tournament U120 Kingston ENG 2019-06-01
RcRownchangeKK*chgGame
 1237 1148 3.50 6 1.21 20 24.20 
  White, Nigel 1272 ENG1.0010.672013.40 
  Sarkar, Rian 1263 ENG0.001-0.3420-6.80 
  Royce, Anastasija 1399 ENG0.001-0.1920-3.80 
  Phillips, Freddie 1175 ENG1.0010.542010.80 
  Kothari, Jai 1181 ENG0.5010.05201.00 
  Gogia, Abeer 1132 ENG1.0010.48209.60 

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)
 
 Petts Wood & Orpington - 2nd Rapidplay Event U160 Orpington ENG 2019-06-22
RcRownchangeKK*chgGame
 1384 1148 0.50 1 0.30 20 6.00 
  Haddock, Paul 1384 ENG0.5010.30206.00 

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)
 
 Petts Wood & Orpington - 2nd Rapidplay Event U120 Orpington ENG 2019-06-22
RcRownchangeKK*chgGame
 1282 1148 0.00 2 -0.64 20 -12.80 
  Apps, Ian 1314 ENG0.001-0.2820-5.60 
  U-King-Im, Noah 1249 ENG0.001-0.3620-7.20 

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)
 

 

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