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Rapid:
Individual Calculations August 2021 |
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| Yu, Zachary Total change: -10.40 | |   |
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| 2021 North Shore Secondary Interschools | Auckland | NZL | 2021-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1226 | 1425 | 1.00 | 2 | -0.52 | 20 | -10.40 | |
|  Zhang, Eric | | | 1218 | NZL | 1.00 | 1 | 0.23 | 20 | 4.60 | |  Sun, Wanyao Sarah | | | 1234 | NZL | 0.00 | 1 | -0.75 | 20 | -15.00 | |
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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