Individual Calculations May 2011
 Montoya, Rafael  Total change: -60.00  Rating chartPersonal card
 Torneo Internacional Open Ciudad de Medellin IRT Medellin COL 2011-04-20
 2088 2123 2.00 8 -2.40 25 -60.00 
  Zuluaga, Cesar f2319 COL0.001-0.2525-6.25 
  Vargas, Edwin Antonio 2007 COL0.001-0.6625-16.50 
  Vallejo, Humberto 2051 COL0.001-0.6025-15.00 
  Barros, Raul 2023 COL1.0010.36259.00 
  Barros, Raul Junior f2077 COL1.0010.442511.00 
  Blandon Villa, Diego F 2099 COL0.001-0.5325-13.25 
  Franco, Luis Felipe 2081 COL0.001-0.5625-14.00 
  Gomez Barrero, Sergio 2050 COL0.001-0.6025-15.00 

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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