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Individual Calculations March 2015 |
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| Nelson, Jaco Total change: -39.00 | |   |
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| Piet Robbertse Open Chess Tournament 2015 | Pretoria | RSA | 2015-01-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1869 | 1962 | 1.00 | 5 | -1.95 | 20 | -39.00 | |
|  Grobbelaar, Jacqui | | | 1562 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Masango, Spencer | | | 2146 | ZIM | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Hercules, Benjamin Vincent | | | 2086 | RSA | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Katema, Patrick | | | 1912 | ZIM | 0.00 | 1 | -0.57 | 20 | -11.40 | | | Marais, Daniel | | | 1638 | RSA | 0.00 | 1 | -0.87 | 20 | -17.40 | | | * 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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