Individual Calculations October 2012
 Kalinowski, Roman  Total change: -6.75  Rating chartPersonal card
 Extraliga Seniorow - Round 4-6 Gorzow Wlkp. POL 2012-09-14
 2398 2169 0.00 2 -0.45 15 -6.75 
  Wieczorek, Oskar 2305 POL0.001-0.3215-4.80 
  Warakomski, Tomasz m2491 POL0.001-0.1315-1.95 

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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