Individual Calculations October 2012
 Pitterson, Jomo  Total change: 5.25  Rating chartPersonal card
 40th World Chess Olympiad-Open Istanbul TUR 2012-08-28
RcRownchangeKK*chgGame
 2254 2221 4.50 9 0.35 15 5.25 
  Sebenik, Matej g2552 SLO1.0010.881513.20 
  Oussedik, Mahfoud c2242 ALG0.001-0.4715-7.05 
  Sidi, Mbareck Mohamed 1947 MTN1.0010.17152.55 
  Denny, Kevin m2304 BAR0.001-0.3915-5.85 
  Cueto, Jonny m2282 BOL0.5010.08151.20 
  Lodhi, Mahmood m2358 PAK0.5010.18152.70 
  Mandiza, Farai m2390 ZIM0.001-0.2815-4.20 
  Kobler, Mario 2099 LIE1.0010.33154.95 
  Perera, W C C 2110 SRI0.501-0.1515-2.25 

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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