Individual Calculations September 2009
 Potkin, Vladimir  Total change: -12.70  Rating chartPersonal card
 TORNEO INTERNACIONAL DE AJEDREZ CAPABLANCA - 2009 Grupo Premier VILLA PANAMERICANA, CIUDAD DE LA HABANA, CUBA VILLA PANAMERICANA, CIUDAD DE LA HABANA, CUBA CUB 2009-06-08
RcRownchangeKK*chgGame
 2572 2621 6.00 10 0.30 10 3.00 
  Quezada Perez, Yuniesky g2596 CUB0.501-0.0310-0.30 
  Cordova, Emilio g2543 PER0.501-0.1110-1.10 
  Corrales Jimenez, Fidel g2574 CUB1.0010.43104.30 
  Delgado Ramirez, Neuris g2572 CUB0.501-0.0710-0.70 
  Hernandez Carmenates, Holden g2573 CUB1.0010.43104.30 
  Quezada Perez, Yuniesky g2596 CUB0.501-0.0310-0.30 
  Cordova, Emilio g2543 PER1.0010.39103.90 
  Corrales Jimenez, Fidel g2574 CUB0.501-0.0710-0.70 
  Delgado Ramirez, Neuris g2572 CUB0.501-0.0710-0.70 
  Hernandez Carmenates, Holden g2573 CUB0.001-0.5710-5.70 

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)
 
 37th Annual World Open - Open Section Philadelphia, Pennsylvania USA 2009-06-29
RcRownchangeKK*chgGame
 2417 2621 4.50 8 -1.57 10 -15.70 
  Bhat, Vinay S g2475 USA0.501-0.2010-2.00 
  Gerzhoy, Leonid m2420 CAN0.001-0.7610-7.60 
  Smith, Bryan G m2474 USA0.001-0.7010-7.00 
  Melekhina, Alisa wm2287 USA1.0010.12101.20 
  Bartell, Thomas f2368 USA1.0010.19101.90 
  Sharavdorj, Dashze g2422 MGL0.501-0.2610-2.60 
  Rensch, Daniel M f2400 USA1.0010.22102.20 
  Kraai, Jesse g2488 USA0.501-0.1810-1.80 

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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