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Individual Calculations April 2019 |
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| Levitan, Judah Nathan Total change: 28.40 | |   |
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| 2019 Waterkloof Open (A) | Pretoria | RSA | 2019-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1465 | 1065 | 0.00 | 3 | -0.24 | 40 | -9.60 | |
|  Chueu, Calvin | | | 1465 * | RSA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Baloyi, Sipho | | | 1465 * | RSA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Naidoo, Tashil | | | 1465 * | RSA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | | | South African Junior Closed Chess Championships 2019 (u10 Open) | Benoni | RSA | 2019-03-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1239 | 1065 | 1.50 | 2 | 0.95 | 40 | 38.00 | |
| | Levitan, Caleb Levi | | | 1299 | RSA | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Peter, Noah | c | | 1179 | RSA | 1.00 | 1 | 0.66 | 40 | 26.40 | |
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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