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Individual Calculations January 2019 |
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| Chikwavaire, Tapiwa Total change: 1.20 | |   |
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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 |
| 1671 | 1988 | 3.50 | 4 | 0.06 | 20 | 1.20 | |
|  Nshikokola, Mapalo | | | 1613 | ZAM | 1.00 | 1 | 0.09 | 20 | 1.80 | |  Mokwena, Morwa | | | 1727 | BOT | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Maswabi, Opelo | | | 1756 | BOT | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Mabe, Kealeboga | | | 1588 * | BOT | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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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