Rapid: Individual Calculations July 2018
 Matityahu, Haim  Total change: -17.60  Rating chartPersonal card
 Jeruchess Combined Weinstein System 2018 Semi-Rapid Jerusalem ISR 2018-04-23
RcRownchangeKK*chgGame
 1255 1223 0.00 1 -0.46 20 -9.20 
  Tsafrir, Ori 1255 ISR0.001-0.4620-9.20 
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)
 
 Jeruchess Combined Weinstein System 2018 Rapid A Jerusalem ISR 2018-04-23
RcRownchangeKK*chgGame
 1255 1223 0.50 1 0.04 20 0.80 
  Tsafrir, Ori 1255 ISR0.5010.04200.80 
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)
 
 Jeruchess Combined Weinstein System 2018 Rapid B Jerusalem ISR 2018-04-23
RcRownchangeKK*chgGame
 1255 1223 0.00 1 -0.46 20 -9.20 
  Tsafrir, Ori 1255 ISR0.001-0.4620-9.20 
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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