Individual Calculations April 2009
 Utama, Ivan  Total change: -2.85  Rating chartPersonal card
 2D - r 4-5 - Dutch Team Competition Various NED 2008-09-27
RcRownchangeKK*chgGame
 2196 2194 0.00 2 -1.00 15 -15.00 
  Simenon, Jozef 2203 NED0.001-0.4915-7.35 
  Vogel, Christian 2189 GER0.001-0.5115-7.65 

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
 2118 2175 6.00 9 0.81 15 12.15 
  Van Geffen, Ben 2144 NED1.0010.46156.90 
  De Groot, Marco 2147 NED1.0010.46156.90 
  Vlaming, Jos P 2112 NED0.501-0.0915-1.35 
  Roemersma, Aad 2176 NED0.5010.00150.00 
  De Graaf, D 2064 NED0.001-0.6515-9.75 
  Osterwald, Elwin 2196 NED0.5010.03150.45 
  Van Der Velde, Wytse 1970 NED1.0010.24153.60 
  Holscher, Peter 2104 NED1.0010.40156.00 
  Slisser, Theo 2145 NED0.501-0.0415-0.60 

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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