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Individual Calculations September 2021 |
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| Pena Galindo, Elio Santiago Total change: 16.00 | |   |
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| Campeonato Nacional e Internacional Abierto Mexicano de Ajedrez Tabasco 2021 Sub 18 | Villahermosa, Tabasco | MEX | 2021-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1812 | 1551 | 1.50 | 3 | 0.92 | 40 | 36.80 | |
|  Rivera Gonzalez, Martin | | | 1930 | MEX | 0.50 | 1 | 0.41 | 40 | 16.40 | |  Carballo Jacquez, Emmanuel | | | 1694 | MEX | 1.00 | 1 | 0.69 | 40 | 27.60 | | | Galaviz Medina, Aldebaran | | | 1813 | MEX | 0.00 | 1 | -0.18 | 40 | -7.20 | |
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) | | | | 2021 North American Youth Chess Championships - Open Under 18 | Chicago, Illinois | USA | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1534 | 1551 | 0.00 | 1 | -0.52 | 40 | -20.80 | |
| | Rama, Vikas | | | 1534 | USA | 0.00 | 1 | -0.52 | 40 | -20.80 | |
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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