Individual Calculations January 2020
 Olchawa, Slawomir  Total change: 8.40  Rating chartPersonal card
 IV Liga 2019/2020 - Wroclaw-Zachod Round 4-5 Dolny Slask POL 2019-12-15
RcRownchangeKK*chgGame
 1283 1515 1.00 1 0.21 40 8.40 
  Posluszny, Maciej 1283 POL1.0010.21408.40 

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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