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Individual Calculations April 2020 |
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| De Swardt, Eduan Total change: 13.60 | |   |
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| Heidelberg Open (Prestige) | Heidelberg | RSA | 2020-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1517 | 1192 | 1.50 | 4 | 0.91 | 40 | 36.40 | |
|  Grootboom, Elrich E. | | | 1577 | RSA | 0.50 | 1 | 0.41 | 40 | 16.40 | |  Shlaka, Nizar | | | 1592 * | LBA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Hansen, Marcques | | | 1592 * | RSA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Aldum, Johannes | | | 1308 | RSA | 1.00 | 1 | 0.66 | 40 | 26.40 | | | * 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 B) | Pretoria | RSA | 2020-02-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1142 | 1194 | 0.00 | 1 | -0.57 | 40 | -22.80 | |
| | Booysen, Willem Cornelius | | | 1142 | RSA | 0.00 | 1 | -0.57 | 40 | -22.80 | |
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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