Individual Calculations March 2010
 Barton, R Alan  Total change: -17.55  Rating chartPersonal card
 Hastings Masters Hastings ENG 2009-12-28
RcRownchangeKK*chgGame
 2153 2119 2.50 8 -1.17 15 -17.55 
  Tari, Aryan 1932 NOR0.501-0.2415-3.60 
  Talsma, Paul 2252 NED0.001-0.3215-4.80 
  Martin, Andrew D m2423 ENG0.001-0.1415-2.10 
  Moore, Gillian A 1902 ENG1.0010.22153.30 
  Rudd, Jack m2296 ENG0.5010.23153.45 
  Snape, Ian L 2176 ENG0.001-0.4215-6.30 
  Furman, Boris f2223 RUS0.001-0.3615-5.40 
  Safarian, Alek 2018 AUS0.501-0.1415-2.10 

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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