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Individual Calculations November 2015 |
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| Pesa, Mofoka A. Total change: -18.80 | |   |
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| 2015 Botswana Open International-Prestige | Gaborone | BOT | 2015-09-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1902 | 1891 | 3.00 | 8 | -0.84 | 20 | -16.80 | |
|  Simulundu, Judah | | | 2115 | ZAM | 0.00 | 1 | -0.22 | 20 | -4.40 | |  Fitton, Ruben | | | 1491 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mapini, Otsile | | | 1932 | BOT | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Kamara, Abdul | | | 1912 | BOT | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Masole, Clifford | c | | 1922 | BOT | 0.00 | 1 | -0.46 | 20 | -9.20 | | | Sibanda, Kudakwashe | | | 2204 | ZIM | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Ngandwe, Uyapo | | | 1717 | BOT | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Mosutha, Thuso | | | 1919 | BOT | 0.00 | 1 | -0.46 | 20 | -9.20 | | | * 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) | | | | South African Club Chess Championship 2015 | Durban | RSA | 2015-10-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1995 | 1898 | 1.50 | 4 | -0.10 | 20 | -2.00 | |
| | Cawdery, Daniel | m | | 2298 * | RSA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Mthunzi, Clive | | | 1833 | RSA | 0.50 | 1 | -0.09 | 20 | -1.80 | | | Willenberg, Craig Glen | | | 2025 | RSA | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Willenberg, Athon | | | 1823 | RSA | 1.00 | 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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