Individual Calculations January 2011
 Cafolla, Peter  Total change: -20.85  Rating chartPersonal card
 e2e4 Uxbridge Premier Uxbridge ENG 2010-10-24
RcRownchangeKK*chgGame
 1965 2088 4.50 9 -1.39 15 -20.85 
  Taylor, Adam A 1854 ENG1.0010.21153.15 
  Rudd, Jack m2251 ENG0.001-0.2815-4.20 
  Wadsworth, Matthew J 1868 ENG0.501-0.2815-4.20 
  Quinn, Joseph R 1808 ENG0.001-0.8415-12.60 
  McKerracher, Douglas 1940 SCO0.501-0.2015-3.00 
  Jain, Radha 1853 ENG1.0010.21153.15 
  De Coverly, Roger D 2082 ENG0.501-0.0115-0.15 
  Obiamiwe, Paul 2021 NGR0.501-0.0915-1.35 
  Lexton, Michael J 2009 WLS0.501-0.1115-1.65 

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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