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Individual Calculations October 2018 |
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| Barros Jardi Arce, Sarai Total change: -8.40 | |   |
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| XII Olimpiada Nacional de Ajedrez 2018 (Sub-12 Femenino) | Sucre | BOL | 2018-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1184 | 1225 | 2.00 | 4 | -0.21 | 40 | -8.40 | |
|  Pacheco Arteaga, Natalia | | | 1311 | BOL | 0.50 | 1 | 0.12 | 40 | 4.80 | |  Valda Quelali, Britany Nicole | | | 1195 | BOL | 0.50 | 1 | -0.04 | 40 | -1.60 | | | Quispe Mamani, Nikaela Nazaret | | | 1157 | BOL | 0.00 | 1 | -0.59 | 40 | -23.60 | | | Mollo, Katherine | | | 1073 | BOL | 1.00 | 1 | 0.30 | 40 | 12.00 | |
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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