Individual Calculations September 2011
 Hopman, Pieter  Total change: -16.50  Rating chartPersonal card
 Science Park Amsterdam Chess Tournament - A Amsterdam NED 2011-07-09
RcRownchangeKK*chgGame
 2129 2367 0.50 2 -1.10 15 -16.50 
  Theulings, Paul-Peter c2120 NED0.501-0.3115-4.65 
  Markus, John Raymond 2137 NED0.001-0.7915-11.85 

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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