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Individual Calculations September 2012 |
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| Kromhout, Alexander Total change: 2.40 | |   |
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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 |
| 2195 | 1950 | 0.50 | 2 | 0.08 | 30 | 2.40 | |
|  Mabusela, Johannes | m | | 2298 | RSA | 0.50 | 1 | 0.39 | 30 | 11.70 | |  Klaasen, Calvin | | | 2091 | RSA | 0.00 | 1 | -0.31 | 30 | -9.30 | |
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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