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Individual Calculations June 2023 |
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| Chikwava, Ronald Total change: 55.20 | |   |
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| Mzansi Open 2023 (B) | Johannesburg | RSA | 2023-04-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1277 | 1348 | 1.00 | 2 | -0.19 | 40 | -7.60 | |
|  Kruger, Tobias | | | 1362 | RSA | 1.00 | 1 | 0.52 | 40 | 20.80 | |  Boheim, Eugene | | | 1191 | RSA | 0.00 | 1 | -0.71 | 40 | -28.40 | |
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) | | | | 2023 Minerva International Open Chess Tournament Open Section | Harare | ZIM | 2023-05-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1830 | 1348 | 2.00 | 6 | 1.57 | 40 | 62.80 | |
| | Gora, Tapiwa | | | 1975 | ZIM | 1.00 | 1 | 0.99 | 40 | 39.60 | | | Tavagwisa, Lawrence | | | 1889 | ZIM | 0.00 | 1 | -0.03 | 40 | -1.20 | | | Mapuranga, Vitalis | | | 2052 | ZIM | 0.00 | 1 | -0.01 | 40 | -0.40 | | | Hamandishe, Jemitas | | | 1764 | ZIM | 0.00 | 1 | -0.07 | 40 | -2.80 | | | Nyandoro, Takudzwa | | | 1573 | ZIM | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Mapfuwa, Blessing | | | 1728 | ZIM | 0.00 | 1 | -0.09 | 40 | -3.60 | |
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) | | |
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