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Individual Calculations November 2023 |
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| Oquiche Huarcaya, Ariana Total change: -2.80 | |   |
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| 7 Open IRT U2400 Circulo Peruano de Ajedrez | Lima | PER | 2023-10-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1308 | 1572 | 1.50 | 2 | -0.14 | 20 | -2.80 | |
|  Ygarza Crisostomo, Antonela Abiga | | | 1269 | PER | 1.00 | 1 | 0.14 | 20 | 2.80 | |  Ccana Minauro, Reiben Andre | | | 1347 | PER | 0.50 | 1 | -0.28 | 20 | -5.60 | |
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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