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Individual Calculations August 2018 |
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| Courtney, Helen Total change: -70.40 | |   |
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| 2018 Waikato Open B Grade | Hamilton | NZL | 2018-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1496 | 1896 | 1.00 | 3 | -1.76 | 40 | -70.40 | |
|  Zhang, Kendrick (kenny) | | | 1496 * | NZL | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Wang, Ying | | | 1496 * | NZL | 0.50 | 1 | -0.42 | 40 | -16.80 | |  Yu, Jeffrey | | | 1496 * | NZL | 0.00 | 1 | -0.92 | 40 | -36.80 | | | * 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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