Individual Calculations November 2010
 Obiedzinski, Piotr  Total change: -0.25  Rating chartPersonal card
 Open Lomza Lomza POL 2010-08-24
RcRownchangeKK*chgGame
 1838 1917 3.50 7 -0.58 25 -14.50 
  Mammadov, Vafa 2141 AZE0.5010.28257.00 
  Michalak, Robert 1808 POL0.001-0.6525-16.25 
  Szwajkowski, Patryk 1529 POL1.0010.09252.25 
  Prazych, Tadeusz 1585 POL0.501-0.3825-9.50 
  Obiedzinski, Pawel 2033 POL0.5010.16254.00 
  Grochowski, Robert 1726 POL1.0010.25256.25 
  Hasanov, Sahib 2046 AZE0.001-0.3325-8.25 

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)
 
 DMP - II Liga Seniorow 2010 Mrzezyno POL 2010-09-04
RcRownchangeKK*chgGame
 2129 1917 2.50 8 0.57 25 14.25 
  Pisulinski, Jan m2317  * POL0.001-0.0825-2.00 
  Grochowalski, Pawel 2078 POL0.5010.21255.25 
  Sielicki, Tomasz 2022 POL1.0010.642516.00 
  Matuszczyk, Przemyslaw 2049 POL0.001-0.3225-8.00 
  Smola, Michal 2210 POL0.001-0.1525-3.75 
  Siekaniec, Jan 2159 POL0.001-0.2025-5.00 
  Kielbratowski, Aleksander 2122 POL0.5010.26256.50 
  Przybylski, Bartosz 2076 POL0.5010.21255.25 
 * 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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