Individual Calculations August 2018
 Boeters, Stefan  Total change: 17.00  Rating chartPersonal card
 Leiden Chess Tournament 2018, Group B Leiden NED 2018-07-13
RcRownchangeKK*chgGame
 1780 1845 5.50 8 0.85 20 17.00 
  Meirink, Teunis 1638 NED1.0010.23204.60 
  De Boer, Ruurd 1765 NED1.0010.39207.80 
  Albertus, Bram 1767 NED0.501-0.1120-2.20 
  Vreeburg, Jan 1924 NED1.0010.612012.20 
  Scherpenisse, Kees 1915 NED1.0010.602012.00 
  Hilarius, Sander 1888 NED0.5010.06201.20 
  Ten Brinke, Jan 1757 NED0.001-0.6220-12.40 
  Arkesteijn, Jaco 1589 NED0.501-0.3120-6.20 

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)
 

 

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