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Individual Calculations January 2015 |
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| Modi, Sonia Total change: 14.40 | |   |
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| Chess Excellence Summer Cup 2014 | Johannesburg | RSA | 2014-11-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1700 | 1497 | 1.50 | 4 | 0.36 | 40 | 14.40 | |
|  Longano, Michael Nicholas | | | 1897 * | RSA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Viviers, Neil | | | 1423 | RSA | 0.50 | 1 | -0.10 | 40 | -4.00 | | | Kolver, Michelle | | | 1584 | RSA | 1.00 | 1 | 0.62 | 40 | 24.80 | | | Peretz, Leon | | | 1897 * | RSA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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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