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Individual Calculations January 2020 |
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| Hammadi, Rayane Total change: -80.40 | |   |
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| 2019 African Youth Chess Championship (Under 12 Open) | Windhoek | NAM | 2019-12-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1179 | 1329 | 1.50 | 5 | -2.01 | 40 | -80.40 | |
|  Boshoma, Chifundo | | | 1153 | RSA | 0.00 | 1 | -0.73 | 40 | -29.20 | |  Youssef, Yousab | | | 1173 | EGY | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Oabile, Romeo | | | 1206 | BOT | 0.50 | 1 | -0.17 | 40 | -6.80 | | | Pido, Edwin | | | 1215 | UGA | 0.00 | 1 | -0.66 | 40 | -26.40 | | | Potgieter, Edward | | | 1146 | RSA | 0.00 | 1 | -0.74 | 40 | -29.60 | |
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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