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Individual Calculations August 2023 |
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| Po`e-Tofaeono, Grayson Total change: 84.80 | |   |
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| ACC Winter Cup 2023 2-6 | Auckland | NZL | 2023-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1815 | 1557 | 1.50 | 3 | 0.90 | 40 | 36.00 | |
|  Wells, Clinton A | | | 1649 | NZL | 1.00 | 1 | 0.63 | 40 | 25.20 | | | Liu, William Rui | | | 1876 | NZL | 0.50 | 1 | 0.37 | 40 | 14.80 | |  Ning, Isabelle Yixuan | | wc | 1919 | NZL | 0.00 | 1 | -0.10 | 40 | -4.00 | |
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) | | | | 2023 Peter Stuart Memorial Open North Island Championship | Auckland | NZL | 2023-07-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1706 | 1567 | 4.00 | 8 | 1.22 | 40 | 48.80 | |
| | McLaren, Leonard | f | | 2055 | NZL | 0.00 | 1 | -0.04 | 40 | -1.60 | | | Chen, Anderson | | | 1407 | NZL | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Meng, Harrison Xiang Zhi | | | 1167 * | NZL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Cummings, Nick | | | 1898 | NZL | 0.50 | 1 | 0.38 | 40 | 15.20 | | | Malcolm, Leo | | | 1667 | NZL | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Metge, J. Nigel | | | 1898 | NZL | 1.00 | 1 | 0.88 | 40 | 35.20 | | | Zhu, David Junyang | | | 1639 | NZL | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Yu, Zachary | | | 1914 | NZL | 0.00 | 1 | -0.11 | 40 | -4.40 | | | * 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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