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Individual Calculations April 2020 |
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| Kaulule, Kela Siame Total change: -12.00 | |   |
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| Heidelberg Open (Prestige) | Heidelberg | RSA | 2020-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1765 | 2134 | 2.00 | 4 | -1.60 | 20 | -32.00 | |
|  Smit, Devon | | | 1765 | RSA | 0.00 | 1 | -0.90 | 20 | -18.00 | |  Simpson, Michael | | | 1734 * | RSA | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Hansen, Marcques | | | 1734 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Shlaka, Nizar | | | 1826 | LBA | 1.00 | 1 | 0.14 | 20 | 2.80 | | | * 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) | | | | 2020 North Botswana Chess Extravaganza- Open Section | Palapye | BOT | 2020-02-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1822 | 2178 | 4.00 | 5 | -0.46 | 20 | -9.20 | |
| | Ntobedzi, Thabiso | | | 1778 * | BOT | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Success, Elias | | | 1818 | BOT | 0.00 | 1 | -0.90 | 20 | -18.00 | | | Batlegang, Boga | | | 1778 * | BOT | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Thekisho, Yaone | | | 1856 | BOT | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Pudungwane, Lesole | | | 1880 | BOT | 1.00 | 1 | 0.15 | 20 | 3.00 | | | * 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 |
| 2051 | 2178 | 6.00 | 7 | 1.46 | 20 | 29.20 | |
| | Van Zyl, Charlize | | wm | 1778 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Jacobs, Kevin T | | | 1884 | RSA | 0.50 | 1 | -0.35 | 20 | -7.00 | | | Khumalo, Keith | c | | 2129 | RSA | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Mnguni, Jacob Dumisani | | | 2127 | RSA | 0.50 | 1 | -0.07 | 20 | -1.40 | | | Zwakala, Ntando | | | 2092 | RSA | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Hercules, Benjamin Vincent | | | 2144 | RSA | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Mwale, Joseph | f | | 2206 | MAW | 1.00 | 1 | 0.54 | 20 | 10.80 | | | * 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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