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Individual Calculations January 2024 |
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| Mofya, Stephen Total change: 23.20 | |   |
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| UNZA Current and Ex Students Chess Championship | Lusaka | ZAM | 2023-11-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1846 | 1777 | 1.50 | 4 | -0.16 | 40 | -6.40 | |
|  Mwape, Dennis | | | 2002 | ZAM | 0.50 | 1 | 0.28 | 40 | 11.20 | |  Chiluba, Innocent | | | 1889 | ZAM | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Mumba, Abiud | | | 1800 | ZAM | 0.00 | 1 | -0.47 | 40 | -18.80 | | | Chabala, Lwando | | | 1692 | ZAM | 1.00 | 1 | 0.38 | 40 | 15.20 | |
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) | | | | Copperbelt Youth and Festive Chess Championship-Open section | Ndola | ZAM | 2023-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1808 | 1782 | 2.50 | 4 | 0.74 | 40 | 29.60 | |
| | Mukosha, Joshua | | | 2013 | ZAM | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Kanyombe, Henry | | | 1382 * | ZAM | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Chiumya, Brighton | | | 1956 | ZAM | 1.00 | 1 | 0.73 | 40 | 29.20 | | | Haambote, Wesley | | | 1881 | ZAM | 0.50 | 1 | 0.14 | 40 | 5.60 | | | * 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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