Individual Calculations April 2008
 Murillo, Alexis  Total change: 7.10  Rating chartPersonal card
 Internacional de Alajuela 2007 Alajuela CRC 2007-07-11
RcRownchangeKK*chgGame
 2179 2322 5.50 7 0.71 10 7.10 
  Peraza, Rafael 2030 CRC1.0010.15101.50 
  Castillo, Rommel 2133 NCA1.0010.25102.50 
  Alfaro, William 2151 NCA0.501-0.2310-2.30 
  Carvajal, Jonathan 2142 CRC1.0010.26102.60 
  Chavez, Ricardo f2195 ESA0.501-0.1710-1.70 
  Granados, Carlos 2201 CRC1.0010.34103.40 
  Valdes, Leonardo m2401 CRC0.5010.11101.10 

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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