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Individual Calculations November 2014 |
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| Chumfwa, Kelvin Total change: -21.40 | |   |
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| Botswana Open International 2014-Prestige | Gaborone | BOT | 2014-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1993 | 2198 | 5.50 | 9 | -1.14 | 20 | -22.80 | |
|  Mokgedi, Tsaone | | | 1812 | BOT | 1.00 | 1 | 0.09 | 20 | 1.80 | |  Kamara, Abdul | | | 1893 | BOT | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Masole, Clifford | | | 1855 | BOT | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Seane, Tumelo | | | 1969 | BOT | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Olebile, Thato | f | | 2183 | BOT | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Kaulule Siame, Kela | | | 2087 | ZAM | 0.00 | 1 | -0.65 | 20 | -13.00 | | | Simon, Bokamoso | | | 1860 | BOT | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Mwali, Chitumbo | m | | 2231 | ZAM | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Notha, Moakofi | | | 2049 | BOT | 0.00 | 1 | -0.70 | 20 | -14.00 | |
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) | | | | Zambia Open Chess Championship | Lusaka | ZAM | 2014-10-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2025 | 2198 | 1.50 | 2 | 0.07 | 20 | 1.40 | |
| | Jay, Bernard | | | 1923 | ZAM | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Phiri, Richmond | f | | 2126 | ZAM | 0.50 | 1 | -0.10 | 20 | -2.00 | |
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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