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Individual Calculations November 2023 |
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| Mumba, Samuel Total change: 2.20 | |   |
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| Zambia Youth U20 Individual Chess Championship-Open Section | Fair View Hotel ( Lusaka) | ZAM | 2023-10-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1781 | 2066 | 6.50 | 8 | 0.11 | 20 | 2.20 | |
|  Mkandawire, Samuel | | | 1666 * | ZAM | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Rafik, Omer | | | 1792 | ZAM | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Handiya, Joseph | | | 1987 | ZAM | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Sharon, Rafael | | | 2103 | ZAM | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Mulenga, Benard | | | 1859 | ZAM | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Chileshe, Nkandu | | | 1651 | ZAM | 1.00 | 1 | 0.07 | 20 | 1.40 | | | Sauti, Joshua Lisuku | | | 1493 | ZAM | 1.00 | 1 | 0.02 | 20 | 0.40 | | | Mofya, Stephen | | | 1694 | ZAM | 0.50 | 1 | -0.40 | 20 | -8.00 | | | * 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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