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Individual Calculations July 2017 |
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| Chumfwa, Kelvin Total change: 4.40 | |   |
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| 2017 Zone 4.3 Individual Chess Championships - Open Section | Livingstone | ZAM | 2017-06-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2127 | 2189 | 4.00 | 9 | -1.24 | 20 | -24.80 | |
|  Zhemba, Jemusse | | | 2020 | ZIM | 0.00 | 1 | -0.72 | 20 | -14.40 | |  Katowa, Kennedy | | | 2092 | ZAM | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Simutowe, Musatwe | c | | 2157 | ZAM | 0.00 | 1 | -0.54 | 20 | -10.80 | | | Mulenga, Prince Daniel | | | 2110 | ZAM | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Dimba, James | c | | 2086 | ZAM | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Simulundu, Judah | | | 2159 | ZAM | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Pon, Matt | f | | 2165 | RSA | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Aderito, Pedro | m | | 2310 | ANG | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Mosenya, Ndawana | | | 2044 | BOT | 0.00 | 1 | -0.69 | 20 | -13.80 | |
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) | | | | ZONE 4.3 OPEN TOURNAMENT | Lusaka | ZAM | 2017-06-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2071 | 2189 | 6.00 | 7 | 1.46 | 20 | 29.20 | |
| | Chikuse, Leslie | | | 1972 | ZAM | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Dimba, James | c | | 2086 | ZAM | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Musende, Gershom | | | 2070 | ZAM | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Bwalya, Gillan | m | | 2281 | ZAM | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Kaonga, Allan | | | 1870 | ZAM | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Mulenga, Prince Daniel | | | 2110 | ZAM | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Kameya, Robson | | | 2110 | ZAM | 1.00 | 1 | 0.39 | 20 | 7.80 | |
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) | | |
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