Individual Calculations November 2009
 Dutta, Joydeep  Total change: -14.25  Rating chartPersonal card
 4th Kolkata Open Grandmaster Chess Tournament 2009 Gorky Sadan, Kolkata, India IND 2009-09-01
 2315 2346 4.50 10 -0.95 15 -14.25 
  McHedlishvili, Mikheil g2613 GEO0.001-0.1815-2.70 
  Swayams, Mishra 2259 IND0.501-0.1215-1.80 
  Tejas, Ravichandran 2196 IND0.001-0.7015-10.50 
  Singh, Gurpreet Pal 2301 IND0.501-0.0615-0.90 
  Premnath, R 2303 IND0.001-0.5615-8.40 
  Phadke, Sohan 2207 IND0.501-0.1915-2.85 
  Karma, Pandya 2147 IND1.0010.24153.60 
  Chatterjee, Debaraj 2281 BAN1.0010.41156.15 
  Girinath, P D S m2405 IND0.5010.08151.20 
  Rathnakaran, K m2441 IND0.5010.13151.95 

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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