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Individual Calculations July 2021 |
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| Lopez Rayo, Isabella Total change: 40.40 | |   |
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| Final Nacional Sub18 Absoluto 2021 | Medellin | COL | 2021-06-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1751 | 1723 | 2.50 | 6 | -0.23 | 40 | -9.20 | |
|  Londono Lopez, Donaldo | | | 2001 | COL | 0.50 | 1 | 0.33 | 40 | 13.20 | |  Loaiza Cuervo, Santiago | | | 1767 | COL | 1.00 | 1 | 0.56 | 40 | 22.40 | | | Ospina, Santiago | | | 1947 | COL | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Toro, Miguel Angel | | | 2032 | COL | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Giraldo Alvarez, Simon | | | 1434 | COL | 0.00 | 1 | -0.84 | 40 | -33.60 | | | Pedraza Aldana, Alexandra | | | 1323 * | COL | 1.00 | 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) | | | | Final Nal Amateur Presencial Sub-2000 | Bogota | COL | 2021-06-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1885 | 1723 | 3.00 | 6 | 1.24 | 40 | 49.60 | |
| | Lopez, Jorge Hernan | c | | 1909 | COL | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Builes Palacio, Santiago | | | 1928 | COL | 1.00 | 1 | 0.76 | 40 | 30.40 | | | Cuesta Cifuentes, Jair Alfonso | | | 1941 | COL | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Casas Ospina, Favio | | | 1828 | COL | 1.00 | 1 | 0.64 | 40 | 25.60 | | | Estrada, Walter | | | 1958 | COL | 1.00 | 1 | 0.79 | 40 | 31.60 | | | Moreno Marino, Juan Nicolas | | | 1743 | COL | 0.00 | 1 | -0.47 | 40 | -18.80 | |
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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