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Individual Calculations December 2017 |
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| Mpya, Tshediso M Total change: 5.20 | |   |
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| Gauteng Chess League (1st Division) | Pretoria | RSA | 2017-10-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1904 | 1908 | 4.00 | 6 | 0.94 | 20 | 18.80 | |
|  Durow, Neil | | | 1925 | RSA | 0.50 | 1 | 0.02 | 20 | 0.40 | |  Menyuku, Boitumelo Oscar | | | 1737 | RSA | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Hercules, Benjamin Vincent | | | 2154 | RSA | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Findlay, Michael | | | 1864 | RSA | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Chappell, Adrian W. | | | 1861 | RSA | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Mendelsohn, David C. | | | 1885 | RSA | 0.00 | 1 | -0.53 | 20 | -10.60 | |
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) | | | | 2017 Gauteng North Open (A Section) | Pretoria | RSA | 2017-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1608 | 1908 | 3.50 | 5 | -0.68 | 20 | -13.60 | |
| | Naidoo, Tashil | | | 1508 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Schoeman, Ewald | c | | 1550 | RSA | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Marais, Daniel | | | 1790 | RSA | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Chueu, Calvin | | | 1673 | RSA | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Nkuna, Windsor | | | 1518 | RSA | 1.00 | 1 | 0.09 | 20 | 1.80 | | | * 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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