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Individual Calculations November 2019 |
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| Semana Ramirez, Brenda Total change: 64.80 | |   |
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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 |
| 1125 | 1134 | 2.00 | 3 | 0.47 | 40 | 18.80 | |
|  Mora Chavarria, Sebastian | | | 1248 | CRC | 0.00 | 1 | -0.34 | 40 | -13.60 | |  Rojas Montoya, Esteban | | | 1008 | CRC | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Vargas Abadia, Alejandro | | | 1118 | 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) | | | | XVII Festival de Ajedrez de la Juventud de Centroamerica y el Caribe 2019 (U-12 Femenino) | Tegucigalpa | HON | 2019-10-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1325 | 1134 | 2.00 | 3 | 1.15 | 40 | 46.00 | |
| | Valdes Boza, Aliett | | | 1534 * | CUB | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Griffiths, Laila | | | 1143 | JAM | 0.50 | 1 | 0.01 | 40 | 0.40 | | | Salazar Gould, Kristy Valeria | | | 1299 | CRC | 1.00 | 1 | 0.72 | 40 | 28.80 | | | * 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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