Individual Calculations October 2017
 Van Foreest, Lucas  Total change: 3.80  Rating chartPersonal card
 European Youth Chess Championship 2017 - Open 16 Mamaia ROU 2017-09-05
 2347 2485 6.50 9 0.38 10 3.80 
  Jafarli, Babak 2177 AZE1.0010.14101.40 
  Olsen, Filip Boe f2279 DEN1.0010.24102.40 
  Bykov, Oleg 2336 RUS0.501-0.2010-2.00 
  Macko, Miroslav f2303 SVK1.0010.26102.60 
  Pultinevicius, Paulius m2381 LTU0.501-0.1410-1.40 
  Engel, Luis 2363 GER1.0010.33103.30 
  Matviishen, Viktor f2431 UKR1.0010.42104.20 
  Sargsyan, Shant m2436 ARM0.001-0.5710-5.70 
  Gaifullin, Artur f2413 RUS0.501-0.1010-1.00 

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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