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Individual Calculations January 2024 |
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| Herrera Retana, Gerardo Total change: 9.40 | |   |
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| Campeonato Nacional por Equipos Clasico 2023 | Heredia | CRC | 2023-11-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1844 | 1759 | 2.00 | 4 | 0.47 | 20 | 9.40 | |
|  Bonilla Sequeira, Pablo | | | 1929 | CRC | 0.00 | 1 | -0.28 | 20 | -5.60 | |  Salazar Delgado, Aylin Naomi | | | 1359 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Jimenez Molina, Juan Leon | f | | 2102 | CRC | 0.50 | 1 | 0.38 | 20 | 7.60 | | | Zumbado Gutierrez, Marco Antonio | | | 1987 | CRC | 0.50 | 1 | 0.29 | 20 | 5.80 | | | * 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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