Individual Calculations July 2013
 Urbina Quiroz, Edwin  Total change: 2.85  Rating chartPersonal card
 Torneo Memorial Robert Fischer San Jose CRC 2013-05-31
 1999 2146 5.00 7 0.19 15 2.85 
  Quesada Campos, Jordi 1925 CRC1.0010.22153.30 
  Gomez Huertas, Stanley 1965 CRC0.501-0.2415-3.60 
  Montoya, Cristian 1919 CRC1.0010.21153.15 
  Bonilla Sequeira, Pablo 1891 CRC0.001-0.8115-12.15 
  Castillo Trujillo, Ivan 2045 CRC1.0010.36155.40 
  Vaglio, Jaime m2246 CRC0.5010.14152.10 
  Solano Cruz, Agustin 2002 CRC1.0010.31154.65 

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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