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Individual Calculations April 2018 |
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| Manzano Gomez, Valentina Total change: -30.40 | |   |
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| IRT Campeonato Nacional de Ajedrez Sub20 Femenino 2018 | Buenaventura | COL | 2018-02-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1761 | 1498 | 0.00 | 4 | -0.84 | 40 | -33.60 | |
|  Argote Heredia, Valentina | | wf | 1898 * | COL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Diaz, Luisa Fernanda | | wf | 1711 | COL | 0.00 | 1 | -0.23 | 40 | -9.20 | |  Salcedo, Jackeline | | wf | 1898 * | COL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Fitzgerald, Daniela | | | 1536 | COL | 0.00 | 1 | -0.45 | 40 | -18.00 | | | * 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) | | | | Semifinal 2 Categoria Sub-14 Absoluto 2018 | Ibague | COL | 2018-03-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1381 | 1482 | 2.00 | 3 | 0.08 | 40 | 3.20 | |
| | Marquez, Lucas Mateo | | | 1335 | COL | 0.50 | 1 | -0.20 | 40 | -8.00 | | | Lopez Rayo, Isabella | | wc | 1420 | COL | 1.00 | 1 | 0.41 | 40 | 16.40 | | | Mogollon Tobar, Nicolle Julieth | | wc | 1389 | COL | 0.50 | 1 | -0.13 | 40 | -5.20 | |
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) | | |
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