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Individual Calculations January 2020 |
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| De Jager, Andreas Total change: -53.20 | |   |
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| 2019 South African Closed Chess Championship (U20 Open) | Cape Town | RSA | 2019-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1761 | 1917 | 5.50 | 10 | -1.33 | 40 | -53.20 | |
|  Vundla, Mthandazo | | | 1732 | RSA | 0.50 | 1 | -0.24 | 40 | -9.60 | |  Oosthuizen, Michal Jacobus | | | 1792 | RSA | 0.00 | 1 | -0.67 | 40 | -26.80 | | | Flores Bartoli, Andrew | c | | 1606 | RSA | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Agulhas, Keegan | f | | 2020 | RSA | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Samuels, Ethan | | | 1821 | RSA | 1.00 | 1 | 0.37 | 40 | 14.80 | | | Govender, Yaduvir | | | 1615 | RSA | 0.00 | 1 | -0.85 | 40 | -34.00 | | | Prinsloo, Marthinus | | | 1638 | RSA | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Van Schaik, Migael | | | 1517 * | RSA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | De Jager, Luan | | | 1870 | RSA | 0.50 | 1 | -0.07 | 40 | -2.80 | | | Mhango, Banele | c | | 1997 | RSA | 0.50 | 1 | 0.11 | 40 | 4.40 | | | * 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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