Rapid: Individual Calculations October 2017
 Macarthur, Duncan M  Total change: 1.60  Rating chartPersonal card
 28th Leamington Rapidplay U140 Leamington Spa ENG 2017-09-10
 1623 1594 1.00 2 0.08 20 1.60 
  De Block, Gert 1650 BEL0.001-0.4220-8.40 
  Asbury, Jon A 1596 ENG1.0010.502010.00 

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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