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Individual Calculations January 2020 |
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| Potgieter, Edward Total change: 68.80 | |   |
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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 |
| 1349 | 1146 | 3.50 | 7 | 1.72 | 40 | 68.80 | |
|  Chembe, Sean Kunda | | | 1546 * | ZAM | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Ofile, Masilo | | | 1351 | BOT | 0.50 | 1 | 0.26 | 40 | 10.40 | |  Mawire, Tawananyasha | | | 1409 | ZIM | 1.00 | 1 | 0.82 | 40 | 32.80 | | | Pido, Edwin | | | 1215 | UGA | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Oabile, Romeo | | | 1206 | BOT | 0.00 | 1 | -0.42 | 40 | -16.80 | | | Hammadi, Rayane | | | 1329 | ALG | 1.00 | 1 | 0.74 | 40 | 29.60 | | | Andriamanalimanana, Tsiresy Haja | | | 1390 | MAD | 1.00 | 1 | 0.80 | 40 | 32.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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