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Individual Calculations May 2019 |
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| Lopez Ramirez, Daniel Giovanny Total change: 53.20 | |   |
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| Campeonato Nacional de Ajedrez Amateur 2019 Absoluto Categoria Sub1700 | Pereira | COL | 2019-03-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1577 | 1688 | 4.00 | 4 | 1.41 | 40 | 56.40 | |
|  Medina Barrios, Lina Maria | | | 1529 | COL | 1.00 | 1 | 0.29 | 40 | 11.60 | |  Lopez Morales, Ruben Alfonso | | | 1627 | COL | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Acero Vargas, Cristian Camilo | | | 1547 | COL | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Rodriguez Prieto, German Andres | | | 1606 | COL | 1.00 | 1 | 0.39 | 40 | 15.60 | |
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 1 Categoria Sub-18 Absoluto 2019 | Ibague | COL | 2019-04-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1666 | 1688 | 2.00 | 4 | -0.08 | 40 | -3.20 | |
| | Campos Perilla, Miguel Angel | | | 1344 | COL | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Alvarez Angel, Nelson Eduardo | | | 1974 | COL | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Florez Caceres, Rafael Omar | | | 1584 | COL | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Sabogal Varela, Jose Joaquin | | | 1761 | COL | 0.00 | 1 | -0.40 | 40 | -16.00 | |
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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