Individual Calculations July 2018
 Nguyen, Piotr  Total change: 13.10  Rating chartPersonal card
 Druzynowe Mistrzostwa Polski - Ekstraliga 2018 Round 1-3 Gorzow Wielkopolski POL 2018-06-08
 2350 2397 3.00 3 1.31 10 13.10 
  Tomaszewski, Roman m2265 POL1.0010.32103.20 
  Bartel, Michal f2360 POL1.0010.45104.50 
  Skawinski, Arkadiusz f2425 POL1.0010.54105.40 

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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