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Individual Calculations February 2019 |
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| Simon, Bokamoso Total change: -9.40 | |   |
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| 2018 AFRICAN AMATEUR CHAMPIONSHIPS - U2000 Open | Windhoek | NAM | 2018-12-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1897 | 1862 | 3.50 | 8 | -0.12 | 20 | -2.40 | |
|  Hamilton, Mandeya | | | 1908 | ZIM | 0.50 | 1 | 0.06 | 20 | 1.20 | |  Klaas, Tokelo | c | | 1868 | LES | 1.00 | 1 | 0.51 | 20 | 10.20 | | | Gariseb, Immanuel | | | 1861 | NAM | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Kandangwe, Joster | | | 1950 | ZAM | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Lesole, Pudungwane | | | 1893 | BOT | 0.00 | 1 | -0.46 | 20 | -9.20 | | | Khalema, Sechaba | | | 1785 | LES | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Tavagwisa, Lawrence | | | 1933 | ZIM | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Fabeyo, Frederick | | | 1976 | NGR | 0.00 | 1 | -0.34 | 20 | -6.80 | |
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) | | | | AIRFFICIENCY YEAR OPENER 2019-OPEN | GABORONE | BOT | 2019-01-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1722 | 1862 | 3.00 | 5 | -0.35 | 20 | -7.00 | |
| | Masala, Iphazha | c | | 1531 | BOT | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Oatlhotse, Providence | m | | 2262 * | BOT | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Selebego, Katlego | | | 1621 | BOT | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Mujuru, Wayne | | | 1733 | ZIM | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Masaiti, Gideon | | | 1462 * | 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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