Individual Calculations May 2011
 Christopher, David  Total change: 15.90  Rating chartPersonal card
 Trinidad and Tobago National Open Championship 2010 Port of Spain TRI 2010-11-13
 2040 2072 7.00 11 1.06 15 15.90 
  Harper, Ryan f2235 TRI0.001-0.2815-4.20 
  Cabralis, Keron f2176 TRI1.0010.64159.60 
  Johnson, Joshua 1822 TRI1.0010.19152.85 
  Joseph, Marcus 2125 TRI1.0010.57158.55 
  Singh, Ravishen 2101 TRI1.0010.54158.10 
  Bowles, Andrew 1879 TRI1.0010.25153.75 
  Chang, Eddison Dr. 2036 TRI0.001-0.5515-8.25 
  Paul, Jayson 1961 TRI1.0010.35155.25 
  Singh, Vishnu 1962 TRI1.0010.35155.25 
  Winter-Roach, Alex 2052 TRI0.001-0.5315-7.95 
  Merritt, Mario f2094 TRI0.001-0.4715-7.05 

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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