Individual Calculations August 2019
 Corvera Choi, Kemos  Total change: -15.60  Rating chartPersonal card
 FIDE World Amateur Chess Championship 2019 - U2000 Manzanillo, Colima MEX 2019-06-29
 1819 1811 3.50 8 -0.39 40 -15.60 
  Gutierrez Garcia, Vicente 1957 MEX0.001-0.3040-12.00 
  Tardi, Oscar 1939 FRA0.5010.17406.80 
  Croes, Octavio c1812 ARU0.001-0.5040-20.00 
  Solis, Oviedo Raymundo Ernesto 1614 MEX1.0010.254010.00 
  Celis Vargas, Walter Enrique 1669 COL1.0010.314012.40 
  Alvidrez Aguirre, Genaro 1919 MEX1.0010.654026.00 
  Rodriguez Valencia, Sebastian 1717 COL0.001-0.6340-25.20 
  Reyes La Rosa, Juan c1926 PER0.001-0.3440-13.60 

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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