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Individual Calculations August 2018 |
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| Mahlangu, Sipho Total change: -21.40 | |   |
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| 2018 South African Open Chess Championships (A-Section) | Bloemfontein | RSA | 2018-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1679 | 1679 | 4.00 | 10 | -1.07 | 20 | -21.40 | |
|  Grover, Sahaj | g | | 2079 * | IND | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Buthelezi, Simphiwe | | | 1413 | RSA | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Nkuna, Windsor | | | 1529 | RSA | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Racaza, Sinovuyo | | | 1487 | RSA | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Wilken, Justin Barend | | | 1889 | RSA | 1.00 | 1 | 0.77 | 20 | 15.40 | | | Mofokeng, Rasweu Samson | | | 1690 | RSA | 0.50 | 1 | 0.02 | 20 | 0.40 | | | Pesa, Mofoka A. | | | 1831 | RSA | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Van Zyl, Charlize | | wm | 1640 | RSA | 0.00 | 1 | -0.55 | 20 | -11.00 | | | Louw, Gideon N. | | | 1721 | RSA | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Swart, George | | | 1512 | RSA | 0.50 | 1 | -0.22 | 20 | -4.40 | | | * 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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