Individual Calculations September 2012
 Yankovsky, Roman  Total change: 12.40  Rating chartPersonal card
 21st Metropolitan Chess FIDE Invitational Los Angeles, California USA 2012-08-03
 2488 2468 5.50 9 1.24 10 12.40 
  Matikozyan, Andranik m2400 ARM1.0010.41104.10 
  Khachiyan, Melikset g2478 USA1.0010.51105.10 
  Sevillano, Enrico m2526 USA0.001-0.4210-4.20 
  Kretchetov, Alexan f2343 RUS1.0010.33103.30 
  Bojkov, Dejan g2556 BUL0.001-0.3810-3.80 
  Altounian, Levon m2431 USA0.001-0.5510-5.50 
  Hess, Robert L g2624 USA1.0010.71107.10 
  Arnold, Marc Tyler m2540 USA0.5010.10101.00 
  Molner, Mackenzie m2491 USA1.0010.53105.30 

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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