Individual Calculations May 2011
 Sumba Tipan, Mirian Stefania  Total change: -32.25  Rating chartPersonal card
 XV Grand Prix 6ta. Parada 2010 U-2100 Quevedo ECU 2010-10-08
RcRownchangeKK*chgGame
 1731 1635 0.00 1 -0.37 25 -9.25 
  Sanchez, Paul 1731 ECU0.001-0.3725-9.25 

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)
 
 CAMPEONATO NACIONAL DE AJEDREZ CATEGORIA U-15 FEMENINA 2011 Guayaquil ECU 2011-04-06
RcRownchangeKK*chgGame
 1671 1635 0.00 2 -0.92 25 -23.00 
  Herrera Arboleda, Kerly Danna 1823 ECU0.001-0.2625-6.50 
  Lozano, Valeria 1518 ECU0.001-0.6625-16.50 

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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