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Individual Calculations January 2018 |
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| Arcos Moreira, Sara Noemi Total change: 20.40 | |   |
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| VIII Campeonato Panamericano Escolar de Ajedrez Sub 11 Absoluto 2017 | San Salvador | ESA | 2017-12-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1328 | 1321 | 3.00 | 5 | 0.51 | 40 | 20.40 | |
|  Segura Cordero, Ariel | | | 1254 | CRC | 0.50 | 1 | -0.09 | 40 | -3.60 | | | Varela, Carlos Francisco | | | 1615 | MEX | 1.00 | 1 | 0.85 | 40 | 34.00 | |  Clarke, Kishan | | | 1389 | JAM | 0.00 | 1 | -0.41 | 40 | -16.40 | | | Barboza Viquez, Martin Eduardo | | | 1248 | CRC | 1.00 | 1 | 0.40 | 40 | 16.00 | | | Rodriguez Rosales, Alvaro | | | 1133 | MEX | 0.50 | 1 | -0.24 | 40 | -9.60 | |
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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