Individual Calculations January 2012
 Zhou, Yang-Fan  Total change: 2.40  Rating chartPersonal card
 World Youth Chess Championship - U 18 Open Caldas Novas/GO BRA 2011-11-18
 2283 2436 6.50 9 0.24 10 2.40 
  Abarca Gonzalez, Nicolas 2098 CHI1.0010.12101.20 
  Rosen, Eric S f2305 USA0.501-0.1810-1.80 
  Hartl, Daniel f2272 AUT0.501-0.2210-2.20 
  Kozganbayev, Erken 2248 KAZ0.501-0.2410-2.40 
  Gusain, Himal 2226 IND1.0010.23102.30 
  Torres, Juan Camilo 2267 COL1.0010.28102.80 
  Vlasak, Lukas f2319 CZE1.0010.34103.40 
  Stany, G A 2395 IND0.001-0.5610-5.60 
  Cori T, Deysi wg2414 PER1.0010.47104.70 

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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