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Individual Calculations April 2018 |
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| Ohlson, Cecil Total change: -4.00 | |   |
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| 2018 WP Open Chess Championships (Prestige) | Cape Town | RSA | 2018-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1503 | 1643 | 3.00 | 4 | 0.36 | 20 | 7.20 | |
|  Carelse, Jarred | | | 1280 | RSA | 1.00 | 1 | 0.10 | 20 | 2.00 | |  Fraser, Craig | | | 1790 | RSA | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Talmarkes, Andrew Graham | | | 1559 | RSA | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Jansen, Beunay | | | 1384 | RSA | 1.00 | 1 | 0.18 | 20 | 3.60 | |
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) | | | | Steinitz Cape Town International Chess Festival (Prestige) | Cape Town | RSA | 2018-03-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1758 | 1643 | 2.00 | 7 | -0.56 | 20 | -11.20 | |
| | Willenberg, Athon | | | 1918 | RSA | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Bouah, Denise | | wm | 1817 | RSA | 1.00 | 1 | 0.73 | 20 | 14.60 | | | Eichab, Charles | c | | 2043 * | NAM | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Van Der Merwe, Alexander | | | 1460 | RSA | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Fakude, Hopewell | c | | 1761 | RSA | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Solomon, Aubrey | | | 1705 | RSA | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Schnabel, Johann Emil | c | | 1604 | RSA | 0.00 | 1 | -0.55 | 20 | -11.00 | | | * 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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