Individual Calculations March 2017
 Bottema, Martin  Total change: -14.80  Rating chartPersonal card
 Tradewise Gibraltar Chess Festival 2017 Challenger B Gibraltar ENG 2017-01-28
RcRownchangeKK*chgGame
 2040 2128 2.00 4 -0.46 20 -9.20 
  Mashayekh, Majid 1944 ENG0.501-0.2420-4.80 
  Renteria, Jorge f2242 COL0.001-0.3420-6.80 
  Mircov, Nicola-Alexandar 1957 ROU1.0010.27205.40 
  Bryn, Askild 2018 NOR0.501-0.1520-3.00 

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)
 
 Tradewise Gibraltar Chess Festival 2017 Amateur B Gibraltar ENG 2017-01-28
RcRownchangeKK*chgGame
 1784 2128 1.00 1 0.12 20 2.40 
  Christophe-Hayot, Romain 1784 FRA1.0010.12202.40 

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)
 
 Dutch Team Competition 2016-2017 3B Round 6 Various NED 2017-02-04
RcRownchangeKK*chgGame
 2198 2128 0.00 1 -0.40 20 -8.00 
  Donker, Roel 2198 NED0.001-0.4020-8.00 

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)
 

 

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