Individual Calculations July 2012
 Roque Sola, Andrea  Total change: 0.00  Rating chartPersonal card
 North America Youth Chess Championships U-12 Female MEXICO DF MEX 2012-05-31
 1371 0 1.00 1 0.00 1386   0.00 
  Naranjo Sandoval, Ofelia 1371 MEX1.0010.00 0.00 

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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