Individual Calculations July 2009
 Petrik, Tomas  Total change: 21.20  Rating chartPersonal card
 HUN Team Ch. Final NB-I Szabo Laszlo Several towns in HUN HUN 2008-10-26
RcRownchangeKK*chgGame
 2504 2487 1.50 2 0.55 10 5.50 
  Sax, Gyula g2503 HUN0.5010.02100.20 
  Berescu, Alin g2505 ROU1.0010.53105.30 

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)
 
 Extraliga CR various CZE 2008-11-08
RcRownchangeKK*chgGame
 2492 2487 5.50 8 1.57 10 15.70 
  Studnicka, Tomas f2283 CZE1.0010.24102.40 
  Votava, Jan g2542 CZE1.0010.58105.80 
  Laznicka, Viktor g2591 CZE1.0010.64106.40 
  Sergeev, Vladimir g2519 UKR0.5010.04100.40 
  Jirka, Jiri m2448 CZE1.0010.45104.50 
  Stefansson, Hannes g2575 ISL0.5010.12101.20 
  Talla, Vladimir m2394 CZE0.501-0.1310-1.30 
  Dydyshko, Viacheslav g2584 BLR0.001-0.3710-3.70 

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)
 

 

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