Individual Calculations October 2008
 Potyavin, Igor  Total change: 3.45  Rating chartPersonal card
 Czech Open 2008 A - Chladek & Tintera Open Pardubice CZE 2008-07-18
RcRownchangeKK*chgGame
 2258 2061 2.50 9 0.23 15 3.45 
  Szwed, Jacek f2319 POL1.0010.821512.30 
  Vocaturo, Daniele m2411 ITA0.001-0.1115-1.65 
  Blomquist, Erik 2322 SWE0.001-0.1815-2.70 
  Damia, Angelo f2247 ITA0.5010.24153.60 
  De Wit, Tex c2246 NED0.001-0.2615-3.90 
  Sergin, Mark 2209 GER0.001-0.3015-4.50 
  Sondermann, Johannes 2217 GER0.001-0.2915-4.35 
  Mader, Manuela wf2155 GER0.5010.13151.95 
  Vidonyak, Nellya wm2194 GER0.5010.18152.70 

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)
 

 

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