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Individual Calculations January 2019 |
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| Samuels, Ethan Total change: 44.80 | |   |
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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 |
| 1600 | 1855 | 5.00 | 5 | 1.12 | 40 | 44.80 | |
|  Villoen, Sharise | | | 1455 * | RSA | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Dinham, Megan | | | 1455 * | RSA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Richter, Jan-Michael | | | 1510 | RSA | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Mazibuko, Khanya | c | | 1956 | RSA | 1.00 | 1 | 0.64 | 40 | 25.60 | | | Schutte, Wian | f | | 1622 | RSA | 1.00 | 1 | 0.21 | 40 | 8.40 | | | * 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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