Individual Calculations November 2017
 Collins, Alan  Total change: -20.80  Rating chartPersonal card
 43rd Guernsey International Chess Festival - Holiday Guernsey GCI 2017-10-15
RcRownchangeKK*chgGame
 1555 1700 3.00 6 -1.04 20 -20.80 
  Brauer, Claes 1386 SWE1.0010.14202.80 
  Dennis, Nigel W 1785 ENG0.001-0.3820-7.60 
  Beadle, John R 1558 ENG0.501-0.1920-3.80 
  Salisbury, Paul 1650 ENG0.001-0.5720-11.40 
  Harnden, Terry 1369 GCI0.501-0.3820-7.60 
  Huba, Mark J 1580 ENG1.0010.34206.80 

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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