Individual Calculations November 2012
 Raptis, Nick  Total change: -3.60  Rating chartPersonal card
 30th Annual Sands Regency Reno - Western States Open Reno, Nevada USA 2012-10-19
 2232 2272 3.00 6 -0.24 15 -3.60 
  Walls, Jerry 1954 USA1.0010.13151.95 
  Browne, Walter S g2449 USA0.5010.23153.45 
  Sevillano, Enrico m2529 USA0.001-0.1815-2.70 
  Vasudeva, Tanuj f1961 USA1.0010.14152.10 
  Mezentsev, Vladimir m2355 USA0.001-0.3915-5.85 
  Sen, Samir 2145 USA0.501-0.1715-2.55 

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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