Individual Calculations January 2024
 Kirby, Peter J.  Total change: -8.60  Rating chartPersonal card
 8th European Small Nations Team Championship St Helier JCI 2023-10-29
RcRownchangeKK*chgGame
 2231 1976 1.50 8 -0.43 20 -8.60 
  De La Riva Aguado, Oscar g2437 AND0.001-0.0520-1.00 
  Righi, Ezio f1846 SMR0.501-0.1820-3.60 
  Michaelides, Konstantinos f2275 CYP0.001-0.1520-3.00 
  Nielsen, Hogni Egilstoft f2386 FAI0.001-0.0820-1.60 
  Carpenter, Paul A 1922 JCI0.501-0.0820-1.60 
  Bagheri, Amir g2388 MNC0.5010.43208.60 
  Wiedenkeller, Michael m2442 LUX0.001-0.0520-1.00 
  Pace, Colin c2155 MLT0.001-0.2720-5.40 

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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