Individual Calculations February 2013
 Pickersgill, Adrian O  Total change: -8.25  Rating chartPersonal card
 Hastings International Masters Hastings ENG 2012-12-28
RcRownchangeKK*chgGame
 2090 2029 3.50 10 -0.55 15 -8.25 
  Ledger, Dave J f2266 ENG0.001-0.2015-3.00 
  Mitchell, Robert 1690 NZL1.0010.12151.80 
  Burnett, Jim 2172 ENG0.001-0.3115-4.65 
  Anderson, John 2161 ENG1.0010.681510.20 
  Sreeves, Clement 2223 SCO0.001-0.2515-3.75 
  Snape, Ian L 2245 ENG0.001-0.2215-3.30 
  Willson, Ollie 1650 ENG0.501-0.4115-6.15 
  Gregory, Stephen J 2086 ENG1.0010.58158.70 
  Jaunooby, Ali R 2178 ENG0.001-0.3015-4.50 
  Kwiatkowski, Feliks J c2232 ENG0.001-0.2415-3.60 

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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