Individual Calculations January 2011
 Perryman, Sean  Total change: -19.50  Rating chartPersonal card
 III Torneo Abierto Internacional Copa Virgen del Valle Porlamar VEN 2010-11-30
RcRownchangeKK*chgGame
 2141 2117 2.50 7 -0.78 25 -19.50 
  Aponte, Argimiro 2225 VEN1.0010.652516.25 
  Marichal, Ariel 2259 CUB0.001-0.3125-7.75 
  Sosa, Tomas 2009 ARG0.001-0.6525-16.25 
  Chirinos Cabrera, Cleren 2215 VEN1.0010.632515.75 
  Gutierrez, Leonela 2037 VEN0.501-0.1125-2.75 
  Sequeda Ramirez, Pablo 2116 VEN0.001-0.5025-12.50 
  Chavez, Jorge 2127 VEN0.001-0.4925-12.25 

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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