Individual Calculations December 2018
 Araya Tropper, Ariel  Total change: -24.80  Rating chartPersonal card
 II Torneo Cerrado Asociacion Bronstein San Jose CRC 2018-11-03
RcRownchangeKK*chgGame
 1305 1220 3.00 9 -0.62 40 -24.80 
  Rodriguez Jimenez, Jose Daniel 1501 CRC0.001-0.1640-6.40 
  Ramos Rodriguez, Daniel 1098 CRC1.0010.334013.20 
  Morales Jimenez, Dennis 1226 CRC0.5010.01400.40 
  Mata Tencio, Randall 1591 CRC0.001-0.1040-4.00 
  Hernandez Leandro, Aliza 1363 CRC0.001-0.3140-12.40 
  Quiros Acuna, Sebastian 1309 CRC0.001-0.3840-15.20 
  Meza Vega, Jose Antonio 1412 CRC0.001-0.2540-10.00 
  Quiros Acuna, Nicole 1054 CRC1.0010.284011.20 
  Calderon Brenes, Brandon 1189 CRC0.501-0.0440-1.60 

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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