Rapid: Individual Calculations August 2018
 Acosta Lazcares, Ivan Emmanuel  Total change: -7.40  Rating chartPersonal card
 III Abierto de Ajedrez de Tlalpan 4ta Fuerza Ciudad de Mexico MEX 2018-07-14
RcRownchangeKK*chgGame
 1400 1307 0.00 1 -0.37 20 -7.40 
  Corvera Choi, Malik 1400 MEX0.001-0.3720-7.40 

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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