Individual Calculations March 2020
 Plata Nelson, Roberto Marino  Total change: 19.60  Rating chartPersonal card
 IX Copa de Ajedrez Juan Pablo Duarte 2020 Santo Domingo,D.N. DOM 2020-01-10
RcRownchangeKK*chgGame
 1917 1918 3.50 5 0.98 20 19.60 
  Figuereo Valdez, Samuel 1639 DOM1.0010.16203.20 
  Lugo Matos, Richards Reynier 2151 DOM0.001-0.2120-4.20 
  Montes De Oca, Jose Eduardo 1871 DOM1.0010.43208.60 
  Mendez, Ruddy Antonio 2105 DOM0.5010.24204.80 
  Gonzalez Alejo, Wily Gilberto 1817 DOM1.0010.36207.20 

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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