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Individual Calculations August 2022 |
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| Lewis, Mark Mm. Total change: -29.80 | |   |
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| 2022 South African Open Chess Championships (Open) | Cape Town | RSA | 2022-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1692 | 1874 | 5.00 | 9 | -1.49 | 20 | -29.80 | |
|  Grobbelaar, Jacqui | | | 1517 | RSA | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Cawdery, Daniel | m | | 2417 | RSA | 0.00 | 1 | -0.03 | 20 | -0.60 | |  Chironda, Sean Kudzai | | | 1422 | RSA | 0.00 | 1 | -0.94 | 20 | -18.80 | | | Taute, Clayden | | | 1474 * | RSA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Ncethelo, Bongolethu | | | 1677 | RSA | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Macheka, Clayton | | | 1618 | RSA | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Mnyasta, Tezihano | | | 1626 | RSA | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Braaf, Jiraan | | | 1618 | RSA | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Mnyasta, Charlton | | | 1855 | RSA | 0.00 | 1 | -0.53 | 20 | -10.60 | | | * 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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