Individual Calculations January 2020
 Shaffer, Alexander  Total change: -29.80  Rating chartPersonal card
 XXXI Torneo Internacional Carlos Torre Repetto Categoria Alayoya Merida, Yucatan MEX 2019-12-14
 1736 1864 2.50 6 -1.49 20 -29.80 
  Marquez Pereira, Antonio Carlos 1511 MEX1.0010.11202.20 
  Quiroga Garza, Juan Manuel 2195 MEX0.001-0.1220-2.40 
  Aragon Trujillo, Ricardo Miguel c1656 GUA0.001-0.7720-15.40 
  Canche Cab, Alexa wc1689 MEX0.001-0.7320-14.60 
  Trejo Alonso, Rodrigo Alberto 1681 MEX1.0010.26205.20 
  Santiago Gonzalez, Frida wc1684 MEX0.501-0.2420-4.80 

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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