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Individual Calculations August 2023 |
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| Middelburg, Tom Total change: -12.20 | |   |
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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 |
| 1916 | 2370 | 6.00 | 8 | -1.22 | 10 | -12.20 | |
|  Wang, Justin Zhide | | | 1970 * | NZL | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Malcolm, Leo | | | 1667 | NZL | 1.00 | 1 | 0.01 | 10 | 0.10 | | | Park-Tamati, Philli | | | 1911 | NZL | 0.50 | 1 | -0.45 | 10 | -4.50 | | | Chang, Yolanda | | | 1591 | NZL | 1.00 | 1 | 0.00 | 10 | 0.00 | | | McLaren, Leonard | f | | 2055 | NZL | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Ang, Alphaeus Wei Ern | f | | 2280 | NZL | 0.50 | 1 | -0.12 | 10 | -1.20 | | | Cilia Vincenti, David | c | | 1928 | MLT | 0.50 | 1 | -0.44 | 10 | -4.40 | | | Ning, Isabelle Yixuan | | wc | 1929 | NZL | 0.50 | 1 | -0.44 | 10 | -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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