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Individual Calculations April 2018 |
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| Giraldo Alvarez, Simon Total change: 18.80 | |   |
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| Campeonato Semifinal 1 Categoria Sub14 Absoluto 2018 | Cartagena | COL | 2018-03-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1662 | 1364 | 0.00 | 2 | -0.33 | 40 | -13.20 | |
|  Ruiz Jaraba, Valentina Sofia | | | 1559 | COL | 0.00 | 1 | -0.25 | 40 | -10.00 | |  Hernandez, Jeronimo | | | 1764 * | COL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | | | Campeonato Semifinal 1 Categoria Sub12 Absoluto 2018 | Riohacha | COL | 2018-03-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1325 | 1364 | 3.00 | 4 | 0.80 | 40 | 32.00 | |
| | Leon Acevedo, Juan Alejandro | c | | 1594 | COL | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Nunez Correcha, Daniela | | | 1151 | COL | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Giraldo Alvarez, Tomas | | | 1143 | COL | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Cotes Ontibon, Anibal Santiago | | | 1410 | COL | 1.00 | 1 | 0.56 | 40 | 22.40 | |
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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