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Individual Calculations August 2017 |
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| Mpya, Tshediso M Total change: 10.60 | |   |
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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 |
| 2004 | 1897 | 0.50 | 3 | -0.57 | 20 | -11.40 | |
|  Mthunzi, Brighton | | | 2072 | RSA | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Zwakala, Ntando | | | 2020 | RSA | 0.50 | 1 | 0.17 | 20 | 3.40 | |  Wilken, Justin Barend | | | 1920 | RSA | 0.00 | 1 | -0.47 | 20 | -9.40 | |
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 |
| 1792 | 1897 | 6.50 | 9 | 1.10 | 20 | 22.00 | |
| | Kheswa, Itumeleng | | | 1513 | RSA | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Nkuna, Windsor | | | 1497 * | RSA | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Puran, Ahdir | | | 1663 | RSA | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Moremi, Thato | | | 1497 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Govindasamy, Nashlen | c | | 2087 | RSA | 1.00 | 1 | 0.75 | 20 | 15.00 | | | Bhawoodien, Mohamed Ozayr | f | | 2103 | RSA | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Modi, Yashil | f | | 1599 | RSA | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Oberholzer, Francois | f | | 2046 | RSA | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Solomons, Deon | f | | 2120 | RSA | 0.50 | 1 | 0.28 | 20 | 5.60 | | | * 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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