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Individual Calculations August 2023 |
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| Zhang, Charles Total change: -12.80 | |   |
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| 2023 Peter Stuart Memorial Open North Island Championship | Auckland | NZL | 2023-07-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1558 | 1520 | 3.50 | 8 | -0.32 | 40 | -12.80 | |
|  Park-Tamati, Philli | | | 1911 | NZL | 0.00 | 1 | -0.09 | 40 | -3.60 | |  Ng, Lok Jim (lauren) | | | 1341 | NZL | 0.00 | 1 | -0.73 | 40 | -29.20 | | | Hooton, Barry R | | | 1344 | NZL | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Rowe, Abigail | | | 1162 | NZL | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Malcolm, Aidan | | | 1537 | NZL | 0.50 | 1 | 0.02 | 40 | 0.80 | | | Cummings, Nick | | | 1898 | NZL | 0.50 | 1 | 0.41 | 40 | 16.40 | | | Yu, Zachary | | | 1914 | NZL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Powlesland, Brogan | | | 1357 | NZL | 0.50 | 1 | -0.22 | 40 | -8.80 | |
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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