Individual Calculations February 2018
 Rahal, Michael A  Total change: -15.90  Rating chartPersonal card
 VI Festival Internacional de Ajedrez Ciudad de Lorca 2017-Torneo A Lorca (Murcia) ESP 2017-12-26
 2170 2328 2.50 6 -1.59 10 -15.90 
  Jijo, Joy 1966 IND0.501-0.4010-4.00 
  Jordan Martinez, David 2060 ESP1.0010.17101.70 
  Garre Murcia, Pedro 2017 ESP1.0010.14101.40 
  Pulvett Marin, Daniel m2444 VEN0.001-0.3410-3.40 
  Alvarado Diaz, Alejandro m2409 ESP0.001-0.3910-3.90 
  Perez Garcia, Roberto 2121 ESP0.001-0.7710-7.70 

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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