Individual Calculations September 2020
 Derbenev, Arseniy  Total change: -27.30  Rating chartPersonal card
 Sea Festival 2020 B. In memoriam GM Boris Rumiancev Klaipeda LTU 2020-07-21
RcRownchangeKK*chgGame
 1311 1344 2.50 5 -0.20 35 -7.00 
  Viliusis, Neimantas 1461 LTU0.5010.16355.60 
  Povilaitis, Matas 1365 LTU0.5010.03351.05 
  Ullrich, Karol 1404 POL0.001-0.4235-14.70 
  Ziura, Arvydas 1106 LTU1.0010.20357.00 
  Povilaitis, Stasys 1220 LTU0.501-0.1735-5.95 

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)
 
 Latvian chess championship 2020 semifinal Riga LAT 2020-07-31
RcRownchangeKK*chgGame
 1568 1344 2.00 7 0.30 35 10.50 
  Meiers, Gundars 1744  * LAT0.001-0.0835-2.80 
  Petersons, Ojars 1655 LAT0.5010.363512.60 
  Rizihs, Valerijs 1713 LAT0.5010.403514.00 
  Verbovskis, Dmitrijs 1636 LAT0.001-0.1535-5.25 
  Bogdanovics, Kirills 1611 LAT0.001-0.1835-6.30 
  Aminovs, Maksims 1613 LAT0.001-0.1735-5.95 
  Mieze, Natalja 1002 LAT1.0010.12354.20 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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)
 
 Latvian Youth Chess Championship B-10 2020 Riga LAT 2020-08-10
RcRownchangeKK*chgGame
 1148 1344 5.00 8 -0.88 35 -30.80 
  Tolmacevs, Romans 1153 LAT0.001-0.7535-26.25 
  Valdats, Reinis 1428 LAT0.5010.12354.20 
  Jeronovics, Toms 1082 LAT1.0010.18356.30 
  Aleksejevs, Daniils 1017 LAT1.0010.13354.55 
  Yovanovich, Victor 1148 LAT0.001-0.7535-26.25 
  Gaidis, Edvards 1048 LAT1.0010.15355.25 
  Nazarovs, Daniils 1056 LAT1.0010.16355.60 
  Krakops, Martijs 1253 LAT0.501-0.1235-4.20 

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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