Individual Calculations January 2009
 Nguyen, Piotr  Total change: 29.85  Rating chartPersonal card
 LXI Warsaw Chess Championship Warszawa POL 2008-09-27
RcRownchangeKK*chgGame
 2323 2329 6.00 8 1.95 15 29.25 
  Przedmojski, Rafal 2396 POL0.5010.09151.35 
  Sznapik, Krzysztof 2240 POL1.0010.38155.70 
  Lagowski, Patryk m2344 POL1.0010.52157.80 
  Motyka, Michal f2331 POL0.001-0.5015-7.50 
  Nurkiewicz, Maciej 2384 POL1.0010.58158.70 
  Rudolf, Michal f2396 POL1.0010.59158.85 
  Marszalek, Maciej 2355 POL0.5010.04150.60 
  Przybyla, Kamil 2134 POL1.0010.25153.75 

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)
 
 51st YMCA Golden Autumn 2008 Warszawa POL 2008-10-07
RcRownchangeKK*chgGame
 2365 2327 4.50 10 0.04 15 0.60 
  Przedmojski, Rafal 2386 POL0.5010.08151.20 
  Matuszewski, Michal 2266 POL0.501-0.0815-1.20 
  Kosiorek, Marek 2374 POL1.0010.57158.55 
  Dworakowska, Joanna m2363 POL0.001-0.4515-6.75 
  Krysztofiak, Marcin m2434 POL0.5010.15152.25 
  Przedmojski, Rafal 2386 POL0.5010.08151.20 
  Matuszewski, Michal 2266 POL1.0010.42156.30 
  Kosiorek, Marek 2374 POL0.001-0.4315-6.45 
  Dworakowska, Joanna m2363 POL0.001-0.4515-6.75 
  Krysztofiak, Marcin m2434 POL0.5010.15152.25 

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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