Individual Calculations December 2019
 Osiecki, Stanislaw  Total change: -12.20  Rating chartPersonal card
 World Senior Chess Championship 2019 - Open 65 Bucuresti ROU 2019-11-12
 2014 2129 6.50 11 -0.61 20 -12.20 
  Segal, Yosef 1803 ISR1.0010.13202.60 
  Lotsov Har-Zahav, Avraham 1729  * ISR0.501-0.4220-8.40 
  Vaisser, Anatoli g2497 FRA0.001-0.1020-2.00 
  Khazankin, Moisei 1954 UKR1.0010.27205.40 
  Syzdykov, Sabyr 2004 KAZ0.501-0.1720-3.40 
  Alquist, Erik 2003 SWE0.001-0.6720-13.40 
  Spulber, Cicirone f1973 ROU0.501-0.2120-4.20 
  Melkeraen, Terje 1991 NOR1.0010.31206.20 
  Blaushtain, Boris 1947 ISR1.0010.26205.20 
  Rooze, Jan m2272 BEL0.5010.19203.80 
  Olesen, Poul Erik Norgaard 1978 DEN0.501-0.2020-4.00 
 * 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)


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