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Individual Calculations October 2018 |
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| Du Toit, Gerhardus Total change: 31.20 | |   |
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| 2018 Tshwane Chess Etienne Lewis Trials (U14 Boys) | Pretoria | RSA | 2018-08-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1354 | 1189 | 2.00 | 4 | 0.78 | 40 | 31.20 | |
|  Oosthuizen, Michal Jacobus | | | 1578 | RSA | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Bodenstein, Jeanre | | | 1234 | RSA | 1.00 | 1 | 0.56 | 40 | 22.40 | | | Delport, Ben | | | 1274 | RSA | 0.50 | 1 | 0.12 | 40 | 4.80 | |  Lubbe, David Stefanus | | | 1328 | RSA | 0.50 | 1 | 0.19 | 40 | 7.60 | |
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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