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Individual Calculations August 2017 |
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| Choko, Siyabonga V. Total change: 16.80 | |   |
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| South African Open Chess Championships 2017 (A-Section) | Durban | RSA | 2017-07-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1994 | 1968 | 4.50 | 8 | 0.84 | 20 | 16.80 | |
|  Maloba, David | | | 1568 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Pon, Matt | f | | 2163 | RSA | 0.50 | 1 | 0.25 | 20 | 5.00 | |  Jere, Daniel | m | | 2368 * | ZAM | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Mnguni, Jacob Dumisani | | | 2147 | RSA | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Modi, Yashil | f | | 1599 | RSA | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Solomons, Deon | f | | 2120 | RSA | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Pesa, Mofoka A. | | | 1799 | RSA | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Oatlhotse, Providence | m | | 2190 | BOT | 1.00 | 1 | 0.78 | 20 | 15.60 | | | * 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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