Individual Calculations November 2009
 Tiwari, Arjun  Total change: 17.55  Rating chartPersonal card
 4th Kolkata Open Grandmaster Chess Tournament 2009 Gorky Sadan, Kolkata, India IND 2009-09-01
 2436 2268 4.00 10 1.17 15 17.55 
  Reefat, Bin-Sattar g2461 BAN0.5010.25153.75 
  Neelotpal, Das g2471 IND1.0010.761511.40 
  Markos, Jan g2565 SVK0.001-0.1515-2.25 
  Roy Chowdhury, Saptarshi m2436 IND0.5010.22153.30 
  Das, Arghyadip m2407 IND0.001-0.3115-4.65 
  Abu Sufian, Shakil f2362 BAN1.0010.63159.45 
  Murali Krishnan, B T m2420 IND0.001-0.3015-4.50 
  Kostenko, Petr g2491 KAZ0.001-0.2215-3.30 
  Udeshi, Aditya 2363 IND0.5010.13151.95 
  Narayanan, Srinath m2388 IND0.5010.16152.40 

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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