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Individual Calculations July 2021 |
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| Olier Roballo, Mishelle Dayana Total change: 33.60 | |   |
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| Final Nacional Sub18 Absoluto 2021 | Medellin | COL | 2021-06-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1566 | 1363 | 2.00 | 7 | 0.13 | 40 | 5.20 | |
|  Salazar Grisales, Juan Jose | | | 1763 * | COL | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Castano, Saray | | | 1590 | COL | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Leal, Dayana Vanessa | | | 1448 | COL | 1.00 | 1 | 0.62 | 40 | 24.80 | | | Gonzalez, Leandro | | | 1763 * | COL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Ruiz Jaraba, Valentina Sofia | | | 1656 | COL | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Ceballos Castellanos, Isabela | | | 1473 | COL | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Echavarria, Marilyn Daniela | | | 1272 | COL | 1.00 | 1 | 0.38 | 40 | 15.20 | | | * 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) | | | | Final Nal Amateur Presencial Sub-1700 | Bogota | COL | 2021-06-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1667 | 1363 | 1.00 | 2 | 0.71 | 40 | 28.40 | |
| | Carvajal Barreto, Johan Sebastian | | | 1658 | COL | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Herrera Rincon, Wylene | | | 1675 | COL | 1.00 | 1 | 0.86 | 40 | 34.40 | |
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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