Rapid: Individual Calculations July 2017
 Porter, Matthew  Total change: -30.80  Rating chartPersonal card
 Golders Green FIDE Rapid Chess Amateur June 2017 London ENG 2017-06-03
RcRownchangeKK*chgGame
 1377 1481 2.00 4 -0.53 20 -10.60 
  Hallett, Colin 1374 ENG0.001-0.6520-13.00 
  Upton, Bill 1503 ENG0.001-0.4720-9.40 
  Orgler, Lukas 1190 ENG1.0010.15203.00 
  Goulbourne, Nick 1441 ENG1.0010.44208.80 

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)
 
 4th Muswell Hill Weekday Rapid Open London ENG 2017-06-27
RcRownchangeKK*chgGame
 1840 1481 0.00 1 -0.10 20 -2.00 
  Stern, Robert 1840 ENG0.001-0.1020-2.00 

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)
 
 4th Muswell Hill Weekday Rapid Amateur London ENG 2017-06-27
RcRownchangeKK*chgGame
 1291 1481 2.00 4 -0.91 20 -18.20 
  Perez Fadon, Andres 1366 ENG0.001-0.6620-13.20 
  Peterson, David B 1087 ENG1.0010.08201.60 
  Everitt, David 1284 ENG1.0010.25205.00 
  Miczek, Kamil 1425 ENG0.001-0.5820-11.60 

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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