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Individual Calculations September 2012 |
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| Mabusela, Johannes Total change: 10.20 | |   |
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| South African Open Chess Championships 2012 | Cape Town | RSA | 2012-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2177 | 2298 | 4.50 | 6 | 0.68 | 15 | 10.20 | |
|  Wilken, Justin | | | 1977 | RSA | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Makoto, Rodwell | | | 2233 | ZIM | 0.50 | 1 | -0.09 | 15 | -1.35 | |  Kromhout, Alexander | | | 1950 | RSA | 0.50 | 1 | -0.39 | 15 | -5.85 | | | Hercules, Benjamin | | | 2049 | RSA | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Abergel, Thal | g | | 2451 | FRA | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Fernandes, Antonio | g | | 2403 | POR | 1.00 | 1 | 0.64 | 15 | 9.60 | |
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) | | |
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