Individual Calculations September 2019
 Merrigan, Daley  Total change: 62.40  Rating chartPersonal card
 2019 NAYCC U18 Open Kingston CAN 2019-08-16
 2015 1917 4.50 8 1.56 40 62.40 
  Costello, Alexander f2256 USA0.001-0.1240-4.80 
  Zhang, Henry 2151 CAN0.5010.294011.60 
  Wu, Derek 2032 USA0.001-0.3440-13.60 
  Sands, Malik 1517  * BAH1.0010.08403.20 
  Eidelman, Gabriel 2133 USA0.5010.284011.20 
  Huang, Qiuyu f2020 CAN1.0010.644025.60 
  Leong, Ryan 1926 CAN1.0010.514020.40 
  Samadashvili, Martha wf2086 USA0.5010.22408.80 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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