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Individual Calculations January 2024 |
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| Ruiz Alfaro, Darrel Total change: -4.40 | |   |
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| Campeonato Nacional por Equipos Clasico 2023 | Heredia | CRC | 2023-11-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1494 | 1603 | 3.00 | 5 | -0.11 | 40 | -4.40 | |
|  Jimenez Aguilar, Gustavo | | | 1889 | CRC | 0.50 | 1 | 0.34 | 40 | 13.60 | |  Salazar Delgado, Aylin Naomi | | | 1313 | CRC | 0.50 | 1 | -0.34 | 40 | -13.60 | | | Samper Porras, David | | | 1203 * | CRC | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Garro Cordero, Felipe | | | 1468 | CRC | 0.00 | 1 | -0.68 | 40 | -27.20 | | | Arce Oviedo, Cesar | | | 1595 | CRC | 1.00 | 1 | 0.49 | 40 | 19.60 | | | * 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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