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Individual Calculations March 2019 |
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| Mayorga Araya, Sofia Total change: 38.40 | |   |
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| Campeonato Nacional Infantil Femenino Sub11 2019 | San Jose | CRC | 2019-02-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1189 | 1202 | 2.00 | 2 | 0.96 | 40 | 38.40 | |
|  Salazar Gould, Kristy Valeria | | | 1190 | CRC | 1.00 | 1 | 0.48 | 40 | 19.20 | |  Semana Ramirez, Brenda | | wc | 1188 | CRC | 1.00 | 1 | 0.48 | 40 | 19.20 | |
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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