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Individual Calculations February 2019 |
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| Mahlahla, Jona Total change: -5.20 | |   |
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| 2019 Zim Open | Harare | ZIM | 2018-12-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1824 | 1712 | 2.00 | 6 | -0.13 | 40 | -5.20 | |
|  Gora, Tapiwa | | | 1969 | ZIM | 0.00 | 1 | -0.18 | 40 | -7.20 | |  Matahwa, Fungai | | | 1729 | SWZ | 1.00 | 1 | 0.52 | 40 | 20.80 | | | Hamandishe, Farai | | | 1747 | ZIM | 0.50 | 1 | 0.05 | 40 | 2.00 | | | Zimbowa, Kudakwashe | | | 1716 | ZIM | 0.50 | 1 | 0.01 | 40 | 0.40 | | | Chisha, Lyapa | | | 1858 | ZAM | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Chinhanga, Tinashe | | | 1927 | ZIM | 0.00 | 1 | -0.23 | 40 | -9.20 | |
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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