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Individual Calculations January 2019 |
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| Lefyedi, Thatego Total change: 93.60 | |   |
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| 2018 African Schools Individual Chess Championships (U11 and U13 Boys) | Waterberg | RSA | 2018-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1508 | 1281 | 4.00 | 7 | 2.34 | 40 | 93.60 | |
|  Costa, Bruno | | | 1681 * | ANG | 0.50 | 1 | 0.42 | 40 | 16.80 | |  Ofile, Masilo | | | 1477 | BOT | 1.00 | 1 | 0.75 | 40 | 30.00 | | | Oosthuizen, Michal Jacobus | | | 1558 | RSA | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Hayssan, Abdul Arnaldo Afu | | | 1198 | MOZ | 1.00 | 1 | 0.39 | 40 | 15.60 | | | Masala, Iphazha | c | | 1477 | BOT | 1.00 | 1 | 0.75 | 40 | 30.00 | | | Marape, Naledi | | wf | 1646 | BOT | 0.50 | 1 | 0.40 | 40 | 16.00 | | | Baltazar, Carlos | | | 1521 | ANG | 0.00 | 1 | -0.20 | 40 | -8.00 | | | * 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) | | |
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