Individual Calculations May 2011
 Reynolds, Pat  Total change: -67.75  Rating chartPersonal card
 Armstrong Cup 2011 Dublin IRL 2010-09-24
RcRownchangeKK*chgGame
 2025 2111 3.00 9 -2.50 25 -62.50 
  Butler, Kevin C. 2052 IRL0.001-0.5825-14.50 
  McCabe, Darren 2006 IRL0.501-0.1425-3.50 
  Goggins, David 1841 IRL0.001-0.8325-20.75 
  McGovern, Mark E. 2061 IRL1.0010.432510.75 
  Hearns, Liam T. 1952 IRL1.0010.29257.25 
  McCarthy, Tim 2007 IRL0.501-0.1425-3.50 
  Schmidt, Martin 2122 IRL0.001-0.4825-12.00 
  Quinn, Ciaran 2130 IRL0.001-0.4725-11.75 
  Zulkipli, Zaidan 2053 MAS0.001-0.5825-14.50 

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)
 
NOTE: K factor changed
 Irish National Chess Club Championship 2011 Dublin IRL 2011-02-12
RcRownchangeKK*chgGame
 2222 2111 0.00 1 -0.35 15 -5.25 
  Nelson, Jonathan 2222 ENG0.001-0.3515-5.25 

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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