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Individual Calculations January 2019 |
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| Mabe, Kealeboga Total change: 21.20 | |   |
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| 2018 Botswana International Junior Open Chess Championships_ U21 Boys | GABORONE | BOT | 2018-11-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1760 | 1543 | 1.50 | 4 | 0.53 | 40 | 21.20 | |
|  Mokwena, Morwa | | | 1727 | BOT | 1.00 | 1 | 0.74 | 40 | 29.60 | |  Maswabi, Opelo | | | 1756 | BOT | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Chikwavaire, Tapiwa | | | 1943 * | ZIM | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Nshikokola, Mapalo | | | 1613 | ZAM | 0.00 | 1 | -0.40 | 40 | -16.00 | | | * 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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