Individual Calculations September 2009
 Dek, Lennart  Total change: 9.60  Rating chartPersonal card
 Intomart GfK Open 2009 Hilversum NED 2009-06-28
RcRownchangeKK*chgGame
 2312 2179 4.50 8 1.81 15 27.15 
  L`ami, Erwin g2529 NED0.5010.39155.85 
  Ten Hertog, Hugo 2073 NED0.501-0.1415-2.10 
  Vogel, Jaap f2234 NED1.0010.58158.70 
  Miedema, Roi f2370 NED0.001-0.2515-3.75 
  Oosterom, Erik 2126 NED1.0010.43156.45 
  Slingerland, Fred m2389 NED0.001-0.2315-3.45 
  Strating, Sybolt f2328 NED1.0010.701510.50 
  Hendriks, Willy m2447 NED0.5010.33154.95 

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)
 
 Hogeschool Zeeland Chess Tournament 2009 Vlissingen NED 2009-08-01
RcRownchangeKK*chgGame
 2056 2205 5.00 9 -1.17 15 -17.55 
  Maas, Joop 1805  * NED1.0010.08151.20 
  Koelmans, Jan Willem 2008 NED0.501-0.2515-3.75 
  Roggeveen, Wouter 2025 NED0.501-0.2415-3.60 
  Kerkvliet, Max 2037 NED1.0010.28154.20 
  Shyam, Sundar M. m2415 IND0.001-0.2315-3.45 
  Meulblok, Willy 2051 NED0.501-0.2115-3.15 
  Schaeken, Yordi 2078 BEL0.501-0.1715-2.55 
  Lagrain, Jan 2063 BEL0.501-0.1915-2.85 
  Boulahfa, Hicham 2022 NED0.501-0.2415-3.60 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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