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Individual Calculations January 2019 |
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| Mwale, Joseph Total change: 0.80 | |   |
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| 6th Piet Van Zyl Chess Festival (A-Section) | Bloemfontein | RSA | 2018-11-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1943 | 2289 | 4.00 | 4 | 0.47 | 20 | 9.40 | |
|  Baatjies, Thsepo | | | 1889 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Makhosonke, Kuhlase Matthiolus | | | 1889 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Masiya, Mfundo | | | 1952 | RSA | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Mthunzi, Brighton | | | 2041 | RSA | 1.00 | 1 | 0.19 | 20 | 3.80 | | | * 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) | | | | 2018 Inter Region Chess Championships | Boksburg | RSA | 2018-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2046 | 2289 | 5.00 | 7 | -0.43 | 20 | -8.60 | |
| | Chimbwanda, Panashe | | | 1889 * | ZIM | 1.00 | 1 | 0.08 | 20 | 1.60 | | | February, Jesse Nikki | | wm | 1919 | RSA | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Erlank, Warrick | | | 1956 | RSA | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Oatlhotse, Providence | m | | 2253 | BOT | 0.00 | 1 | -0.55 | 20 | -11.00 | | | Van Rensburg, Ryan Pierre | m | | 2214 | RSA | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Khumalo, Keith | | | 1941 | RSA | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Simutowe, Musatwe | c | | 2148 | ZAM | 0.50 | 1 | -0.19 | 20 | -3.80 | | | * 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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