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Individual Calculations April 2020 |
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| Bayani , Kuda Total change: -81.80 | |   |
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| 2020 BMI Lesotho Open Chess Championships Prestige Section | Maseru | LES | 2020-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1726 | 2021 | 3.50 | 6 | -1.51 | 20 | -30.20 | |
|  Mbongeni, Mabuza | | | 1626 | SWZ | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Khanyapa, Theko | | | 1823 | LES | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Tsephe, Lebajoa | | | 1621 * | LES | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Sekhoto, Lehlohonolo | | | 1621 * | LES | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Klaas, Tokelo | c | | 1840 | LES | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Oosthuizen, Michal Jacobus | | | 1824 | RSA | 0.00 | 1 | -0.75 | 20 | -15.00 | | | * 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) | | | | NATIONAL CLUBS CHESS CHAMPIONSHIP-2020 | GABORONE AFRICAN HOME | BOT | 2020-02-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1766 | 2045 | 4.50 | 5 | 0.42 | 20 | 8.40 | |
| | Ndaba, Gakologelwang | | | 1770 | BOT | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Masole, Clifford | c | | 1950 | BOT | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Bontsi, Chazha | | | 1821 | BOT | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Gothusaone, Laolang | | | 1645 * | BOT | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Thokojane, Bagomotsi | | | 1645 * | BOT | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | | | 2020 Waterkloof Open Chess Tournament (Section A) | Pretoria | RSA | 2020-02-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1876 | 2045 | 2.00 | 4 | -0.69 | 20 | -13.80 | |
| | Kheswa, Itumeleng | | | 1645 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mazibuko, Khanya | c | | 1976 | RSA | 0.00 | 1 | -0.60 | 20 | -12.00 | | | Claassen, Jean-Daniel | | | 1645 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Oatlhotse, Providence | m | | 2239 | BOT | 0.00 | 1 | -0.25 | 20 | -5.00 | | | * 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) | | | | Boardwalk Pearson Prestige Chess Tournament 2020 (Indiv Swiss) | Port Elizabeth | RSA | 2020-03-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1740 | 2031 | 3.50 | 7 | -2.31 | 20 | -46.20 | |
| | Wagner, Gerald | | | 1675 | RSA | 0.50 | 1 | -0.39 | 20 | -7.80 | | | To, Himson | | | 1702 | RSA | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Vermaak, Ashley Christopher | | | 1725 | RSA | 0.00 | 1 | -0.86 | 20 | -17.20 | | | Felix, Raphael | | | 1631 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Stambull, Rf | | | 1670 | RSA | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Van Zyl, Marius J | | | 1789 | RSA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Odendaal, Frederick | | | 1988 | RSA | 0.00 | 1 | -0.56 | 20 | -11.20 | | | * 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) | | |
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