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Individual Calculations January 2021 |
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| Giraldo Bohorquez, Lucas Total change: 8.40 | |   |
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| IRT Medellin Ciudad de Luces 2020 | Medellin | COL | 2020-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1850 | 1693 | 1.50 | 4 | 0.21 | 40 | 8.40 | |
|  Arango, Andres Mauricio | | | 2001 | COL | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Zapata Cuartas, Juan Carlos | | | 2073 | COL | 0.00 | 1 | -0.09 | 40 | -3.60 | |  Ruiz Agudelo, Jeronimo | | | 1434 | COL | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Cordoba Roa, Angel Gabriel | | | 1892 | COL | 0.50 | 1 | 0.26 | 40 | 10.40 | |
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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