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Individual Calculations June 2019 |
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| Oatlhotse, Providence Total change: -44.80 | |   |
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| 2019 Zone 4.3 Individual Chess Championship Open | Antananarivo - Espace Lavilla verte | MAD | 2019-04-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2164 | 2326 | 5.00 | 9 | -1.26 | 20 | -25.20 | |
|  Li Ying, Patrick | c | | 2110 | MRI | 1.00 | 1 | 0.22 | 20 | 4.40 | |  Rakotomaharo, Fy Antenaina | m | | 2410 | MAD | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Razanadrakotoarisoa, Toavina | | | 2004 | MAD | 0.00 | 1 | -0.87 | 20 | -17.40 | | | Paulino, Domingos | f | | 2071 | ANG | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Randriamahefa, Fenitra Anthony | | | 2052 | MAD | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Ranaivoharisoa, Alain | m | | 2203 | MAD | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Makoto, Rodwell | m | | 2368 | ZIM | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Andrianiaina, Heritiana | | | 2017 | MAD | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Ralison, Milanto Harifidy | f | | 2241 | MAD | 0.00 | 1 | -0.62 | 20 | -12.40 | |
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) | | | | 2019 Lubowski Open (A) | Pretoria | RSA | 2019-05-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1922 | 2289 | 3.50 | 5 | -0.98 | 20 | -19.60 | |
| | Maepane, Matome | | | 1889 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Alberts, Jaco A. | | | 1889 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Oosthuizen, Michal Jacobus | | | 1889 * | RSA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Du Plessis, Heinco | | | 2052 | RSA | 0.00 | 1 | -0.80 | 20 | -16.00 | | | Fourie, Brandon | | | 1889 * | RSA | 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) | | |
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