Individual Calculations September 2009
 Pijpers, Arthur  Total change: -1.65  Rating chartPersonal card
 XXVII Open internacional d'Andorra La Massana AND 2009-07-18
 2137 2192 5.00 9 -0.11 15 -1.65 
  Monell Camarasa, David 2230 ESP0.5010.05150.75 
  Klein, Gernot, Dr. 1917 GER1.0010.17152.55 
  Klein, Felix 2301 GER0.001-0.3515-5.25 
  Tardio Fran, Emilio 1944 ESP1.0010.19152.85 
  Vehi Bach, Victor Manuel m2387 ESP0.001-0.2515-3.75 
  Gil Quilez, Sonia 2017 ESP0.501-0.2315-3.45 
  Oliva Llorens, Antoni 1973 ESP1.0010.22153.30 
  Reyniers, Pieter 2046 BEL1.0010.30154.50 
  Berkovich, Mark A m2419 ISR0.001-0.2115-3.15 

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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