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Individual Calculations April 2020 |
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| Hernandez Brenes, Keylor Total change: -7.20 | |   |
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| Campeonato Nacional Categorias Menores Impares U17 Open | San Ramon | CRC | 2020-02-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1403 | 1244 | 1.50 | 5 | -0.18 | 40 | -7.20 | |
|  Diaz Charpentier, Kristel Meliss | | | 1644 * | CRC | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Solano Saltachin, Javier | | | 1388 | CRC | 1.00 | 1 | 0.69 | 40 | 27.60 | |  Melendez Arce, Kalet | | | 1644 * | CRC | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Rios Hernandez, Brandon | | | 1090 | CRC | 0.50 | 1 | -0.21 | 40 | -8.40 | | | Sierra Berrocal, Gabriela | | | 1247 | CRC | 0.00 | 1 | -0.50 | 40 | -20.00 | | | * 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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