Individual Calculations September 2018
 Urbina Quiroz, Edwin  Total change: 14.20  Rating chartPersonal card
 II Torneo Asdrubal Aguilar in Memoriam Grupo A 2018 San Jose CRC 2018-07-15
 2012 2165 7.00 9 0.71 20 14.20 
  Bonilla Sequeira, Pablo 1985 CRC1.0010.26205.20 
  Chaves Sanchez, Gabriel A 2121 CRC0.501-0.0620-1.20 
  Fernandez Sibaja, Felipe J c2100 CRC1.0010.41208.20 
  Solis L., Efren A. 2027 CRC1.0010.31206.20 
  Vargas Serrano, Pablo Andres 1989 CRC0.501-0.2320-4.60 
  Jimenez Esquivel, Greivin 1984 CRC1.0010.26205.20 
  Jimenez Sancho, Pedro Pablo 1879 CRC1.0010.16203.20 
  Jimenez Alvarado, Alonso 2088 CRC0.001-0.6120-12.20 
  Bonilla Rodriguez, Andres 1936 CRC1.0010.21204.20 

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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