Individual Calculations September 2015
 Phillips, Jeff  Total change: 9.20  Rating chartPersonal card
 5th Annual Potomac Open Rockville, Maryland USA 2015-07-31
RcRownchangeKK*chgGame
 2080 2047 1.50 3 0.11 20 2.20 
  Slack, David R. 1866 USA0.501-0.2420-4.80 
  Shen, Christopher Y c2058 USA1.0010.522010.40 
  Kaufman, Larry C g2317 USA0.001-0.1720-3.40 

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)
 
 4th Annual Washington International - Section A Rockville, Maryland USA 2015-08-08
RcRownchangeKK*chgGame
 2180 2047 1.00 2 0.35 20 7.00 
  Applebaum, Andy F 2103 USA0.001-0.4220-8.40 
  Karma, Pandya 2256 IND1.0010.772015.40 

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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