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Individual Calculations August 2017 |
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| Mafanya, Kulasande Total change: -40.00 | |   |
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| 5th Piet Van Zyl Chess Festival (A-Section) | Bloemfontein | RSA | 2017-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1966 | 1883 | 2.00 | 3 | 0.82 | 20 | 16.40 | |
|  Mthunzi, Brighton | | | 2072 | RSA | 1.00 | 1 | 0.75 | 20 | 15.00 | |  Zwakala, Ntando | | | 2020 | RSA | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Masiya, Mfundo | | | 1806 | RSA | 0.50 | 1 | -0.11 | 20 | -2.20 | |
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) | | | | South African Open Chess Championships 2017 (A-Section) | Durban | RSA | 2017-07-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1556 | 1883 | 5.00 | 9 | -2.82 | 20 | -56.40 | |
| | Moremi, Thato | | | 1493 | RSA | 0.00 | 1 | -0.91 | 20 | -18.20 | | | Baloyi, Sipho | | | 1596 | RSA | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Ohlson, Cecil | | | 1637 | RSA | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Marais, Nina | | wc | 1584 | RSA | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Nyathi, Musa | | | 1483 * | RSA | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Nkuna, Windsor | | | 1483 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Nhamuave, Eleazar | | | 1615 | RSA | 0.00 | 1 | -0.83 | 20 | -16.60 | | | Schutte, Wian | | | 1621 | RSA | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Richter, Jan-Michael | | | 1491 | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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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