Individual Calculations March 2010
 Etmans, Maarten  Total change: 2.85  Rating chartPersonal card
 Klasse 1A Round 5-6 - Dutch Team Competition Various NED 2010-01-09
RcRownchangeKK*chgGame
 2160 2158 0.50 2 -0.50 15 -7.50 
  Bensdorp, Laura wf2109 NED0.501-0.0715-1.05 
  Overveld, Ronald 2210 NED0.001-0.4315-6.45 

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)
 
 Corus Chess Tournament - Tien 2B Wijk aan Zee NED 2010-01-22
RcRownchangeKK*chgGame
 2128 2158 5.00 8 0.69 15 10.35 
  Wijnberg, Arjan 2181 NED1.0010.53157.95 
  Villwock, Martin 2212 GER0.5010.08151.20 
  Van Oosten, Arend 2126 NED1.0010.46156.90 
  Woudsma, Martijn 2149 NED0.001-0.5115-7.65 
  Galje, Hans 2121 NED0.501-0.0515-0.75 
  Leinwand, Eduard 1983 NED0.501-0.2315-3.45 
  Duin, Laurens 2072 NED1.0010.38155.70 
  Vlaming, Jos P 2177 NED0.5010.03150.45 

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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