Rapid: Individual Calculations February 2019
 Stanchev, Plamen  Total change: -10.20  Rating chartPersonal card
 Chess Club CSKA Open Championship Sofia BUL 2019-01-13
 1750 1803 4.00 8 -0.51 20 -10.20 
  Nasar, Lazar 1426 BUL1.0010.09201.80 
  Vaklinov, Vasil 2140 FRA0.001-0.1220-2.40 
  Kolev, Lachezar 1553 BUL0.501-0.3120-6.20 
  Milanov, Milan 1666 BUL1.0010.32206.40 
  Dimov, Nikola 1456 BUL0.501-0.3920-7.80 
  Jotev, Yassen 2004 BUL0.5010.26205.20 
  Tashev, Aleksandar 2122 BUL0.001-0.1320-2.60 
  Grabcheva, Natalia 1629 BUL0.501-0.2320-4.60 

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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