Individual Calculations March 2012
 Graves, Peter  Total change: 20.10  Rating chartPersonal card
 2012 Recession Buster San Diego, California USA 2012-02-18
 2238 2150 3.00 6 0.67 30 20.10 
  Pennock, Steven 1881 USA1.0010.17305.10 
  Bruno, Ronald 2208 USA1.0010.583017.40 
  Peters, Jack m2354 USA0.5010.26307.80 
  Khachiyan, Melikset g2481 USA0.001-0.1230-3.60 
  Harmon-Vellotti, Luke 2206 USA0.5010.08302.40 
  Taylor, Timothy m2299 USA0.001-0.3030-9.00 

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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