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Individual Calculations September 2021 |
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| Zapata Cuartas, Juan Carlos Total change: 9.60 | |   |
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| XXVIII IRT Internacional Feria de las Flores Medellin 2021 | Medellin | COL | 2021-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2076 | 2083 | 4.50 | 8 | 0.48 | 20 | 9.60 | |
|  Bolanos Lopez, Juan Jacobo | | | 1683 * | COL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Avila Pavas, Santiago | m | | 2373 | COL | 0.00 | 1 | -0.16 | 20 | -3.20 | |  Loaiza Cuervo, Santiago | | | 1753 | COL | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Sanchez Alvares, Kelvin Antonio | f | | 2250 | VEN | 0.50 | 1 | 0.22 | 20 | 4.40 | | | Toro Castaneda, Elizabeth | c | | 1975 | COL | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Castrillon Gomez, Melissa | | wm | 2201 | COL | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Martinez Romero, Martin | m | | 2404 | COL | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Hernandez Fonseca, Maria Paula | | | 1969 | COL | 0.50 | 1 | -0.16 | 20 | -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) | | |
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