Individual Calculations February 2020
 Vrolijk, Liam  Total change: 23.40  Rating chartPersonal card
 Chessfestival Groningen 2019 - Open A Groningen NED 2019-12-21
 2449 2467 7.00 9 2.34 10 23.40 
  Krasenkova, Ilena wm2174 RUS1.0010.15101.50 
  Hilverda, Alexander 2294 GER1.0010.27102.70 
  Sargsyan, Shant g2601 ARM0.5010.18101.80 
  Davtyan, Artur m2437 ARM0.501-0.0410-0.40 
  Tiviakov, Sergei g2615 NED0.5010.20102.00 
  Zwirs, Nico m2422 NED1.0010.44104.40 
  Lubbe, Nikolas m2451 GER1.0010.48104.80 
  Fier, Alexandr g2528 BRA1.0010.58105.80 
  Poetsch, Hagen g2522 GER0.5010.08100.80 

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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