Individual Calculations October 2012
 Tomczak, Rafal  Total change: -9.45  Rating chartPersonal card
 Extraliga Seniorow - Round 4-6 Gorzow Wlkp. POL 2012-09-14
 2605 2370 0.00 3 -0.63 15 -9.45 
  Czarnota, Pawel g2534 POL0.001-0.2815-4.20 
  Socko, Bartosz g2626 POL0.001-0.1915-2.85 
  Bartel, Mateusz g2654 POL0.001-0.1615-2.40 

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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