Individual Calculations January 2012
 Hassan, Abdullah  Total change: -29.55  Rating chartPersonal card
 London Chess Classic 2011: Open London ENG 2011-12-03
 2139 2398 4.50 8 -1.97 15 -29.55 
  Gschwendtner, Stanislav 2011 CZE1.0010.09151.35 
  Williamson, Roger 2157 ENG0.001-0.8015-12.00 
  Warman, Simon M 2056 ENG1.0010.12151.80 
  Tavoularis, Nicholas 2143 GRE0.501-0.3115-4.65 
  Skutta, Bernd, Dr. 2098 GER1.0010.15152.25 
  Arvola, Benjamin 2232 NOR1.0010.28154.20 
  Smith, Andrew Philip f2167 IRL0.001-0.7915-11.85 
  Coleman, David J c2244 ENG0.001-0.7115-10.65 

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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