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Individual Calculations July 2023 |
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| Gonzalez Zapata, Julian David Total change: 40.40 | |   |
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| IRT Primera Categoria Jorge Aristizabal 2023 | Medellin | COL | 2023-06-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1726 | 1767 | 5.00 | 5 | 2.35 | 20 | 47.00 | |
|  Cabrera Novoa, Roxana | | | 1367 * | COL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Garcia, Andres Felipe | | | 1714 | COL | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Montoya Echeverri, Sebastian | | | 1916 | COL | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Tobon, Sebastian | | | 1785 | GER | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Diaz Larrea, Juan Manuel | | | 1849 | COL | 1.00 | 1 | 0.61 | 20 | 12.20 | | | * 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) | | | | IRT Campeonato Nacional Amateur 2023 Categoria Sub-2000 Absoluto | Medellin | COL | 2023-06-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1685 | 1767 | 2.00 | 4 | -0.33 | 20 | -6.60 | |
| | Lopez Ramirez, Jorge Hernan | c | | 1913 | COL | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Negron Lizarazo, Juan Sebastian | c | | 1555 | COL | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Mercado Maestre, Maria Angel | | | 1399 | COL | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Mena Cordoba, Yamil Octavio | c | | 1873 | COL | 0.00 | 1 | -0.36 | 20 | -7.20 | |
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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