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Individual Calculations June 2023 |
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| Shane, Kennedy Total change: 121.60 | |   |
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| 2023 Zambia Schools and Youth Closed Championship (16 Boys) | Lusuka | ZAM | 2023-04-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1534 | 1424 | 2.50 | 3 | 1.42 | 40 | 56.80 | |
|  Mkandawire, Samuel | | | 1426 | ZAM | 1.00 | 1 | 0.50 | 40 | 20.00 | |  Mofya, Stephen | | | 1537 | ZAM | 0.50 | 1 | 0.15 | 40 | 6.00 | | | Chongo, Malama | | | 1638 | ZAM | 1.00 | 1 | 0.77 | 40 | 30.80 | |
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) | | | | 2023 Minerva International Open Chess Tournament Open Section | Harare | ZIM | 2023-05-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1880 | 1424 | 2.00 | 6 | 1.62 | 40 | 64.80 | |
| | Gomolemo, Rongwane | f | | 2064 | BOT | 1.00 | 1 | 0.99 | 40 | 39.60 | | | Mbondo, Donald | | | 1898 | ZIM | 1.00 | 1 | 0.95 | 40 | 38.00 | | | Tavagwisa, Lawrence | | | 1889 | ZIM | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Olositswe, Elias | | | 1852 | BOT | 0.00 | 1 | -0.07 | 40 | -2.80 | | | Muungani, Adolf | | | 1807 | ZIM | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Dambamuromo, Tavonga | | | 1770 | ZIM | 0.00 | 1 | -0.11 | 40 | -4.40 | |
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) | | |
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