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Individual Calculations January 2019 |
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| Dinham, Megan Total change: 20.40 | |   |
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| 2018 South African Junion Chess Championships (u18A) | Boksburg | RSA | 2018-12-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1500 | 1212 | 1.00 | 5 | 0.03 | 40 | 1.20 | |
|  Samuels, Ethan | | | 1612 * | RSA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Villoen, Sharise | | | 1153 | RSA | 0.00 | 1 | -0.58 | 40 | -23.20 | | | Schutte, Wian | f | | 1612 * | RSA | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Richter, Jan-Michael | | | 1510 | RSA | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Mazibuko, Khanya | c | | 1612 * | 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) | | | | 2018 Inter Region Chess Championships | Boksburg | RSA | 2018-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1204 | 1212 | 1.50 | 2 | 0.48 | 40 | 19.20 | |
| | Palmer, Reegan | | | 1112 | RSA | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Naidoo, Rayna | | | 1296 | RSA | 0.50 | 1 | 0.12 | 40 | 4.80 | |
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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