Individual Calculations March 2014
 Preotu, Razvan  Total change: 7.50  Rating chartPersonal card
 2014 Hart House Reading Week Open - Crown Toronto CAN 2014-02-15
RcRownchangeKK*chgGame
 2205 2356 4.50 6 0.50 15 7.50 
  Ivanov, Mike 2092 CAN1.0010.18152.70 
  Sambuev, Bator g2555 CAN0.001-0.2415-3.60 
  Itkin, David 2043 CAN1.0010.14152.10 
  Moffat, Andrei 2091 CAN1.0010.18152.70 
  Plotkin, Mark 1981 CAN1.0010.09151.35 
  Gerzhoy, Leonid m2467 CAN0.5010.15152.25 

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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