Individual Calculations July 2010
 Drost, Peter  Total change: 14.85  Rating chartPersonal card
 27e Hofstede Oud-Bussem - BSG Pinkstertoernooi Bussum NED 2010-05-21
RcRownchangeKK*chgGame
 2332 2084 2.00 5 0.99 15 14.85 
  Meijers, Viesturs g2459 LAT0.001-0.0915-1.35 
  Otte, Marijn f2314 NED1.0010.791511.85 
  Pliester, Leon m2366 NED0.5010.34155.10 
  Witt, Rob f2221 NED0.001-0.3215-4.80 
  Wunnink, Michael 2299 NED0.5010.27154.05 

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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