Individual Calculations October 2017
 Nguyen, Piotr  Total change: -1.50  Rating chartPersonal card
 Druzynowe Mistrzostwa Polski- I liga Poronin POL 2017-09-01
RcRownchangeKK*chgGame
 2290 2409 5.00 8 -0.15 10 -1.50 
  Chalupnik, Marcin 2176 POL1.0010.21102.10 
  Szczesniak, Andrzej 2009  * POL1.0010.08100.80 
  Miroslaw, Michal f2270 POL0.001-0.6910-6.90 
  Jaracz, Pawel g2469 POL0.5010.08100.80 
  Orzech, Dominik m2380 POL0.001-0.5410-5.40 
  Musialkiewicz, Jan 2266 POL0.501-0.1910-1.90 
  Luch, Michal m2383 POL1.0010.46104.60 
  Nurkiewicz, Maciej 2365 POL1.0010.44104.40 
 * 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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