Individual Calculations October 2008
 Bonner, Gerald  Total change: -22.35  Rating chartPersonal card
 115th Scottish Chess Championships Glasgow SCO 2008-07-05
RcRownchangeKK*chgGame
 1961 2201 2.50 5 -1.49 15 -22.35 
  Quinn, David 2010 SCO0.501-0.2515-3.75 
  Mollison, Jamie 1897 SCO1.0010.14152.10 
  Walker, Duncan 1955 SCO0.001-0.8115-12.15 
  Hilton, Steve H 1913 SCO0.501-0.3415-5.10 
  McBeth, Michael J 2029 SCO0.501-0.2315-3.45 

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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