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Individual Calculations October 2017 |
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| Vermaak, Jacobus Total change: -23.20 | |   |
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| 2017 Etienne Lewis Tshwane Chess Trails (u16 Boys) | Pretoria | RSA | 2017-08-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1336 | 1411 | 3.00 | 6 | -0.58 | 40 | -23.20 | |
|  Pelser, Casper-Hugo | | | 1290 | RSA | 1.00 | 1 | 0.34 | 40 | 13.60 | |  Marais, Dawid Jacobus | | | 1351 | RSA | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Dykema, Dirkho | | | 1451 | RSA | 0.50 | 1 | 0.06 | 40 | 2.40 | | | Cruywagen, Armand | | | 1371 | RSA | 0.00 | 1 | -0.56 | 40 | -22.40 | | | Wohlfahrt, Daniel | | | 1162 | RSA | 0.50 | 1 | -0.31 | 40 | -12.40 | | | Claassen, Jean-Daniel | | | 1390 | RSA | 0.00 | 1 | -0.53 | 40 | -21.20 | |
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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