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Individual Calculations June 2018 |
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| Paiva, Donaldo Total change: 63.20 | |   |
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| 2018 Capablanca Chess Festival (IM Norm) | Pretoria | RSA | 2018-04-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2127 | 2210 | 6.50 | 9 | 1.05 | 20 | 21.00 | |
|  Pon, Matt | f | | 2177 | RSA | 1.00 | 1 | 0.45 | 20 | 9.00 | |  Bouah, Lyndon | c | | 2118 | RSA | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Fawole, John Oyeyemi | f | | 2211 | NGR | 1.00 | 1 | 0.50 | 20 | 10.00 | | | February, Jesse Nikki | | wm | 1899 | RSA | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Luanja, Geoffrey | | | 2276 | ZAM | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Oberholzer, Francois | f | | 2061 | RSA | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Mwale, Joseph | c | | 2212 | MAW | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Du Plessis, Heinco | | | 1997 | RSA | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Oatlhotse, Providence | m | | 2191 | BOT | 0.00 | 1 | -0.53 | 20 | -10.60 | |
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 Africa Individual Chess Championship - Open Section | Livingstone | ZAM | 2018-05-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2329 | 2225 | 5.50 | 9 | 2.11 | 20 | 42.20 | |
| | Pillay, Ragul | | | 1825 * | SEY | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mwali, Chitumbo | m | | 2322 | ZAM | 1.00 | 1 | 0.63 | 20 | 12.60 | | | Kayonde, Andrew | m | | 2394 | ZAM | 0.50 | 1 | 0.22 | 20 | 4.40 | | | El Gindy, Essam | g | | 2453 | EGY | 0.50 | 1 | 0.29 | 20 | 5.80 | | | Adly, Ahmed | g | | 2625 * | EGY | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Dimba, James | c | | 2044 | ZAM | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Hesham, Abdelrahman | g | | 2413 | EGY | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Amin, Bassem | g | | 2625 * | EGY | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Mabusela, Johannes Manyedi | m | | 2260 | RSA | 1.00 | 1 | 0.55 | 20 | 11.00 | | | * 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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