Individual Calculations August 2015
 Slack, David R.  Total change: 6.60  Rating chartPersonal card
 3rd Annual DC International Arlington, Virginia USA 2015-06-25
RcRownchangeKK*chgGame
 2059 1866 2.50 8 0.33 20 6.60 
  Wu, Christopher 2266  * USA0.001-0.0820-1.60 
  Gongora Montes, Benjamin m2143 MEX0.001-0.1720-3.40 
  Sinha, Sahil 2137 USA0.5010.33206.60 
  Nieto, Guillermo Luigui Ubaldo 2001 COL0.5010.18203.60 
  Bustamante Orta, Jorge 2120 MEX0.001-0.1920-3.80 
  Stancil, Kimani A 2026 USA0.001-0.2920-5.80 
  Hu, Pinyi 1707 USA1.0010.29205.80 
  Gaffagan, Steven 2069 USA0.5010.26205.20 
 * 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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