Individual Calculations April 2009
 Van Der Velde, Wytse  Total change: 1.20  Rating chartPersonal card
 3C - r 4-5 - Dutch Team Competition Various NED 2008-09-27
RcRownchangeKK*chgGame
 2047 1987 0.50 1 0.08 15 1.20 
  Losekoot, Pascal 2047 NED0.5010.08151.20 

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)
 
 2D - Corus Chess Tournament - Tienkampen Wijk aan Zee NED 2009-01-23
RcRownchangeKK*chgGame
 2140 1970 2.50 9 0.00 15 0.00 
  Roemersma, Aad 2176 NED0.5010.26153.90 
  Slisser, Theo 2145 NED0.001-0.2715-4.05 
  De Graaf, D 2064 NED0.001-0.3715-5.55 
  Van Geffen, Ben 2144 NED0.5010.23153.45 
  Osterwald, Elwin 2196 NED0.001-0.2115-3.15 
  De Groot, Marco 2147 NED1.0010.731510.95 
  Utama, Ivan c2175 NED0.001-0.2415-3.60 
  Vlaming, Jos P 2112 NED0.5010.19152.85 
  Holscher, Peter 2104 NED0.001-0.3215-4.80 

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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