Individual Calculations March 2015
 Kaufman, Lawrence  Total change: 0.20  Rating chartPersonal card
 41st Annual Eastern Open Bethesda, Maryland USA 2014-12-26
RcRownchangeKK*chgGame
 2269 2318 4.00 6 0.72 10 7.20 
  Collier, Philip M 1918  * USA1.0010.08100.80 
  Zimmer, Ralph P f2163 USA1.0010.29102.90 
  Ludwig, John Gabri 2205 USA1.0010.35103.50 
  Iippolito, Dean m2407 USA0.5010.12101.20 
  Ivanov, Alexander g2506 USA0.5010.24102.40 
  Enkhbat, Tegshsuren m2417 USA0.001-0.3610-3.60 
 * 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)
 
 7th Annual Chesapeake Open Rockville, Maryland USA 2015-01-09
RcRownchangeKK*chgGame
 2165 2318 2.00 4 -0.70 10 -7.00 
  Nguyen, Trung f1940 USA1.0010.09100.90 
  Kamsky, Gata g2676 USA0.001-0.1010-1.00 
  Sinha, Sahil 2063 USA0.501-0.3110-3.10 
  Jacobson, Brandon c1981 USA0.501-0.3810-3.80 

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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