Individual Calculations January 2020
 Rodriguez Araya, Oscar Mario  Total change: 56.00  Rating chartPersonal card
 III Open Ciudad de Liberia 2019 Liberia CRC 2019-12-19
 1435 1160 2.50 6 1.40 40 56.00 
  Mantilla Gras, Geydis De La C. wf1560  * CUB0.5010.424016.80 
  Amaya Grant, Yannik 1387 CRC1.0010.794031.60 
  Pastor Carvajal, Jeigoth 1560  * CRC0.001-0.0840-3.20 
  Soza Rojas, Dannilson G 1255 CRC0.5010.13405.20 
  Huaman Bengoa, Valeska Priscilla 1367 CRC0.5010.274010.80 
  Orozco Rodriguez, Yarod G 1483 CRC0.001-0.1340-5.20 
 * 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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