Individual Calculations September 2009
 Perez Coyula, Rafael Alcides  Total change: 12.00  Rating chartPersonal card
 III ABIERTO CIUDAD HABANA GIRALDILLA 2009 PALACIO DE COMPUTACION CIUDAD HABANA CUBA CUB 2009-08-14
RcRownchangeKK*chgGame
 2131 1977 3.50 9 0.80 15 12.00 
  Martinez Cabrera, Pastor 2139 CUB1.0010.711510.65 
  Torres Hernandez, Juan Jose 2164 CUB1.0010.741511.10 
  Becquer Valdes, Alain 2177 CUB0.001-0.2415-3.60 
  Avalos Leon, Yessel 2154 CUB0.5010.23153.45 
  Leon Valdes, Jony Wilson 2121 CUB0.001-0.3115-4.65 
  Rama Gonzalez, Ricardo 2090 CUB1.0010.65159.75 
  Perez De Leon, Roberto 2174 CUB0.001-0.2515-3.75 
  Cancio-Bello Ayes, Flavia wf2097 CUB0.001-0.3415-5.10 
  Marquez Torres, Oscar Luis 2059 CUB0.001-0.3915-5.85 

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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