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Individual Calculations October 2017 |
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| Mostert, Gert Total change: 32.00 | |   |
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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 |
| 1200 | 1450 | 4.00 | 4 | 0.80 | 40 | 32.00 | |
|  Delport, Ben | | | 1250 | RSA | 1.00 | 1 | 0.24 | 40 | 9.60 | |  Schoombie, Heinrich | | | 1247 | RSA | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Liang, Yi-Tao | | | 1069 | RSA | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Fourie, Keanan | | | 1235 | RSA | 1.00 | 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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