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Individual Calculations September 2021 |
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| Martinez, Flores Matias Total change: -24.40 | |   |
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| LXVI Campeonato Nacional e Internacional Abierto Mexicano de Ajedrez Tabasco 2021 sub 10 | Villahermosa, Tabasco | MEX | 2021-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1556 | 1453 | 0.00 | 1 | -0.36 | 40 | -14.40 | |
|  Diaz Guerrero, Jesus Daniel | | | 1556 | MEX | 0.00 | 1 | -0.36 | 40 | -14.40 | |
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) | | | | 2021 North American Youth Chess Championships - Open Under 10 | Chicago, Illinois | USA | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1648 | 1453 | 0.00 | 1 | -0.25 | 40 | -10.00 | |
|  Rajaram, Rohan | | | 1648 | USA | 0.00 | 1 | -0.25 | 40 | -10.00 | |
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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