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Individual Calculations May 2023 |
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| Boshoma, Chisomo Total change: 90.00 | |   |
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| 2023 South African Junior Closed (U16 Girls) | Johannesburg | RSA | 2023-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1177 | 1507 | 6.50 | 7 | 0.39 | 40 | 15.60 | |
|  Dove, Megan | | | 1205 | RSA | 1.00 | 1 | 0.15 | 40 | 6.00 | |  Amrouni, Alexia | | | 1184 | RSA | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Monnig, Erika | | | 1219 | RSA | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Le Roux, Claire | | | 1122 | RSA | 0.50 | 1 | -0.41 | 40 | -16.40 | | | Coetzee, Gisele | | | 1149 | RSA | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Govender, Keniesha | | | 1169 | RSA | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Matshego, Thato | | | 1192 | RSA | 1.00 | 1 | 0.14 | 40 | 5.60 | |
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) | | | | Kenya Open Chess Championship 2023 - Open Section | Nairobi | KEN | 2023-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1790 | 1507 | 3.00 | 7 | 1.86 | 40 | 74.40 | |
| | Okonga, Hugh Misiko | | | 1865 | KEN | 0.50 | 1 | 0.40 | 40 | 16.00 | | | Masiko, Ezekiel | | | 1806 | UGA | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Okeyo, Austin Steve | | | 1796 | KEN | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Adewole, Adeyinka Samuel | | | 1800 | NGR | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Nurmohamed, Sajid | | | 1791 | ENG | 1.00 | 1 | 0.84 | 40 | 33.60 | | | Njovu, Kondwelani | | | 1775 | ZAM | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Njau, Martin | | | 1699 | KEN | 0.00 | 1 | -0.25 | 40 | -10.00 | |
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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