Rapid: Individual Calculations February 2018
 Peterson, David B  Total change: 1.60  Rating chartPersonal card
 Golders Green Rapid Amateur Jan 18 London ENG 2018-01-06
RcRownchangeKK*chgGame
 1328 1104 1.00 4 0.08 20 1.60 
  Demetris, Timothy 1389 ENG0.001-0.1620-3.20 
  Goldsmith, Jennifer 1451 ENG0.001-0.1120-2.20 
  Buckland, David A S 1199 ENG1.0010.632012.60 
  Simms, Geoffrey R 1274 ENG0.001-0.2820-5.60 

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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