Individual Calculations July 2014
 Pietras, Zbigniew  Total change: 2.70  Rating chartPersonal card
 IV Otwarte Mistrzostwa UKSz Hetman 2014_B Warszawa POL 2014-04-07
RcRownchangeKK*chgGame
 1336 1371 4.50 8 0.18 15 2.70 
  Tomczyk, Ryszard 1421 POL1.0010.57158.55 
  Wojcikiewicz, Dariusz 1492 POL0.001-0.3415-5.10 
  Szopa, Andrzej 1049 POL1.0010.13151.95 
  Grzegorzak, Janusz 1268 POL1.0010.36155.40 
  Drozdz, Arkadiusz 1278 POL0.501-0.1315-1.95 
  Malicka, Maria 1408 POL0.001-0.4515-6.75 
  Lata, Slawomir 1428 POL1.0010.58158.70 
  Fieducik, Marcin 1342 POL0.001-0.5415-8.10 

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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