Rapid: Individual Calculations December 2019
 Petersen, Gutti  Total change: -2.60  Rating chartPersonal card
 ST Open (kvik) Sandavagur FAI 2019-11-08
 1394 1467 1.00 2 -0.13 20 -2.60 
  Berg, Margar M. 1659 FAI0.001-0.2520-5.00 
  Davidsen, Rokur 1128 FAI1.0010.12202.40 

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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