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Individual Calculations May 2015 |
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| Mosenya, Ndawana Total change: -10.40 | |   |
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| 2015 Orion Group Open Chess Festival (Prestige Section) | Johannesburg | RSA | 2015-04-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1823 | 1976 | 1.50 | 3 | -0.52 | 20 | -10.40 | |
|  De Abreu, Roberto N | f | | 2037 | RSA | 0.50 | 1 | 0.08 | 20 | 1.60 | |  Jacobs, Cavan | | | 1600 | RSA | 0.00 | 1 | -0.91 | 20 | -18.20 | | | Tshetlo, Tshepo | | | 1833 | RSA | 1.00 | 1 | 0.31 | 20 | 6.20 | |
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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