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Individual Calculations April 2018 |
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| Medina Barrios, Lina Maria Total change: 51.20 | |   |
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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 |
| 1627 | 1463 | 1.00 | 4 | -0.24 | 40 | -9.60 | |
|  Viveros, Erica Johana | | wc | 1863 * | COL | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Pinillo Canon, Silvana | | wc | 1662 | COL | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Fitzgerald, Daniela | | | 1536 | COL | 1.00 | 1 | 0.60 | 40 | 24.00 | | | Lopez Rayo, Isabella | | wc | 1446 | COL | 0.00 | 1 | -0.52 | 40 | -20.80 | | | * 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) | | | | Semifinal 2 Categoria Sub-18 Absoluto 2018 | Ibague | COL | 2018-03-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1732 | 1463 | 2.50 | 5 | 1.52 | 40 | 60.80 | |
| | Calderon Zuta, Nicolas | c | | 1863 * | COL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Tobar B, Jorge Esteban | c | | 1766 | COL | 1.00 | 1 | 0.86 | 40 | 34.40 | | | Fraile Vela, Maria Isabel | | | 1706 | COL | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Zona Moreno, Sergio Julian | | | 1485 | COL | 1.00 | 1 | 0.53 | 40 | 21.20 | | | Viveros, Erica Johana | | wc | 1841 | COL | 0.00 | 1 | -0.09 | 40 | -3.60 | | | * 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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