Individual Calculations January 2020
 Zapata, Alonso  Total change: 3.60  Rating chartPersonal card
 XXI Juegos Deportivos Nacionales AJEDREZ CLASICO Absoluto por Equipos 2019 Cartagena COL 2019-11-24
RcRownchangeKK*chgGame
 2246 2434 5.50 7 0.36 10 3.60 
  Guerrero Forero, Ricardo Alonso 2115 COL1.0010.13101.30 
  Nunez V, Gustavo Eduardo f2227 COL1.0010.23102.30 
  Becerra, Juan David f2346 COL1.0010.38103.80 
  Martinez Romero, Martin m2410 COL0.501-0.0310-0.30 
  Jimenez, Jose Mauricio m2234 COL0.501-0.2610-2.60 
  Blandon, Luis Guillermo m2258 COL0.501-0.2310-2.30 
  Fonseca Pinto, Carlos Arturo f2130 COL1.0010.14101.40 

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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