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Individual Calculations August 2023 |
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| Wang, Justin Zhide Total change: 30.80 | |   |
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| ACC Winter Cup 2023 2-6 | Auckland | NZL | 2023-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1566 | 1675 | 4.00 | 5 | 0.98 | 40 | 39.20 | |
|  Sun, Wanyao Sarah | | | 1555 | NZL | 1.00 | 1 | 0.34 | 40 | 13.60 | |  Ning, Isabelle Yixuan | | wc | 1919 | NZL | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Winfield, Alan W | | | 1808 | NZL | 1.00 | 1 | 0.68 | 40 | 27.20 | | | Pan, Alexander Hanrui | | | 1275 * | NZL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Vasudeva, Ayaan | | | 1275 * | NZL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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) | | | | 2023 NSCC Championship A 2-5 | Auckland | NZL | 2023-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1783 | 1675 | 0.50 | 4 | -0.94 | 40 | -37.60 | |
| | Gunn, Neil J | | | 1756 | NZL | 0.50 | 1 | 0.11 | 40 | 4.40 | | | Zhu, David Junyang | | | 1656 | NZL | 0.00 | 1 | -0.53 | 40 | -21.20 | | | Park-Tamati, Philli | | | 1870 | NZL | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Wang, Daniel | | | 1849 | NZL | 0.00 | 1 | -0.27 | 40 | -10.80 | |
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) | | | | 2023 Peter Stuart Memorial Open North Island Championship | Auckland | NZL | 2023-07-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1734 | 1589 | 3.50 | 7 | 0.73 | 40 | 29.20 | |
| | Middelburg, Tom | m | | 2370 | NZL | 0.00 | 1 | 0.00 | 40 | 0.00 | | | Xu, Luna Yuexiu | | | 1463 | NZL | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Rowe, Abigail | | | 1189 * | NZL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Mao, Daqi | | | 2006 | NZL | 0.00 | 1 | -0.07 | 40 | -2.80 | | | Metge, J. Nigel | | | 1898 | NZL | 0.50 | 1 | 0.36 | 40 | 14.40 | | | Powlesland, Brogan | | | 1357 | NZL | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Liu, William Rui | | | 1854 | NZL | 0.00 | 1 | -0.18 | 40 | -7.20 | | | * 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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