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Individual Calculations February 2019 |
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| Chisha, Lyapa Total change: -8.80 | |   |
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| 2019 Zim Open | Harare | ZIM | 2018-12-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1878 | 1858 | 1.00 | 3 | -0.44 | 20 | -8.80 | |
|  Chigodo, Cyril | | | 1861 | ZIM | 0.00 | 1 | -0.50 | 20 | -10.00 | | | Zulu, Thomas | | | 2060 | ZAM | 0.00 | 1 | -0.24 | 20 | -4.80 | |  Mahlahla, Jona | | | 1712 | ZIM | 1.00 | 1 | 0.30 | 20 | 6.00 | |
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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