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Individual Calculations November 2019 |
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| Rodriguez Retana, Sofia Total change: -19.60 | |   |
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| Campeonato Nacional por Equipos Sub14 Infantil 2019 | San Ramon y Naranjo | CRC | 2019-09-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1222 | 1219 | 0.50 | 2 | -0.49 | 40 | -19.60 | |
|  Solano Saltachin, Ruth | | | 1308 | CRC | 0.50 | 1 | 0.12 | 40 | 4.80 | |  Cossio Carvajal, Bruno | | | 1136 | CRC | 0.00 | 1 | -0.61 | 40 | -24.40 | |
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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