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Individual Calculations October 2017 |
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| Fourie, Keanan Total change: -33.20 | |   |
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| 2017 Etienne Lewis Tshwane Chess Trails (u12 Boys) | Pretoria | RSA | 2017-08-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1270 | 1235 | 1.00 | 4 | -0.83 | 40 | -33.20 | |
|  Schoombie, Heinrich | | | 1247 | RSA | 0.00 | 1 | -0.48 | 40 | -19.20 | | | Odendaal, Mikhal Marcus | | | 1131 | RSA | 1.00 | 1 | 0.36 | 40 | 14.40 | |  Delport, Ben | | | 1250 | RSA | 0.00 | 1 | -0.48 | 40 | -19.20 | | | Mostert, Gert | | | 1450 | RSA | 0.00 | 1 | -0.23 | 40 | -9.20 | |
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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