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Individual Calculations April 2020 |
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| Strong, Davida Total change: 87.60 | |   |
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| Heidelberg Open (A) | Heidelberg | RSA | 2020-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1488 | 1201 | 1.50 | 4 | 0.73 | 40 | 29.20 | |
|  Lesuthu, Kali M. | | | 1553 | RSA | 0.50 | 1 | 0.39 | 40 | 15.60 | | | Dinham, James | | | 1601 * | RSA | 0.50 | 1 | 0.42 | 40 | 16.80 | |  Kheswa, Itumeleng | | | 1600 | RSA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Lake, Ethan | | | 1198 | RSA | 0.50 | 1 | 0.00 | 40 | 0.00 | | | * 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) | | | | 2020 Waterkloof Open Chess Tournament (Section A) | Pretoria | RSA | 2020-02-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1519 | 1192 | 2.00 | 4 | 1.46 | 40 | 58.40 | |
| | Govender, Shevern | | | 1561 | RSA | 0.50 | 1 | 0.40 | 40 | 16.00 | | | Mazibuko, Khanya | c | | 1592 * | RSA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Denner, Duan | c | | 1531 | RSA | 1.00 | 1 | 0.88 | 40 | 35.20 | | | Smit, Yoshua | | | 1391 | RSA | 0.50 | 1 | 0.26 | 40 | 10.40 | | | * 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) | | |
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