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Individual Calculations September 2018 |
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| Zhang, Boyuan Total change: 21.20 | |   |
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| Peter Stuart Memorial B-Grade 2018 | North Shore | NZL | 2018-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1547 | 1339 | 1.00 | 2 | 0.53 | 40 | 21.20 | |
|  Li, Allen | | | 1549 | NZL | 1.00 | 1 | 0.77 | 40 | 30.80 | | | McDougall, Euan | | | 1544 | NZL | 0.00 | 1 | -0.24 | 40 | -9.60 | |
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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