Individual Calculations January 2010
 Van Kerkhof, David  Total change: 5.10  Rating chartPersonal card
 24e open - Grand Prix du Touquet - A Le Touquet FRA 2009-10-24
RcRownchangeKK*chgGame
 2202 2219 5.50 9 0.91 15 13.65 
  Rigolot, Lucie 1853 FRA1.0010.10151.50 
  Vovk, Andrey g2512 UKR0.5010.35155.25 
  Degraeve, Jean-Marc g2573 FRA0.001-0.1115-1.65 
  Durpaire, Andre 1976 FRA1.0010.20153.00 
  Rouffignac, Tanguy 1830 FRA1.0010.09151.35 
  Housieaux, David m2432 FRA0.001-0.2315-3.45 
  Rachid, Danial 1947 FRA1.0010.17152.55 
  Sharma, Dinesh K. m2335 IND0.5010.16152.40 
  Payen, Arnaud m2356 FRA0.5010.18152.70 

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)
 
 Meesterklasse Round 2-4 - Dutch Team Competition Various NED 2009-10-31
RcRownchangeKK*chgGame
 2382 2219 0.00 2 -0.57 15 -8.55 
  De Jager, Jaap f2368 NED0.001-0.3015-4.50 
  Miedema, Roi f2396 NED0.001-0.2715-4.05 

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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