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Individual Calculations August 2023 |
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| Chang, Yolanda Total change: 50.00 | |   |
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| ACC Winter Cup 2023 2-6 | Auckland | NZL | 2023-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1684 | 1643 | 1.00 | 2 | 0.06 | 40 | 2.40 | |
|  Liu, Richard Jingjie | | | 1353 | NZL | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Mao, Daqi | | | 2014 | 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 |
| 1707 | 1591 | 4.50 | 8 | 1.19 | 40 | 47.60 | |
|  Rowe, Abigail | | | 1191 * | NZL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Yu, Zachary | | | 1914 | NZL | 0.50 | 1 | 0.37 | 40 | 14.80 | | | Malcolm, Aidan | | | 1537 | NZL | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Middelburg, Tom | m | | 2370 | NZL | 0.00 | 1 | 0.00 | 40 | 0.00 | | | Park-Tamati, Philli | | | 1911 | NZL | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Tao, Junqing Jerome | | | 1441 | NZL | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Qi, Jenny | | | 1652 | USA | 0.50 | 1 | 0.08 | 40 | 3.20 | | | Zhu, David Junyang | | | 1639 | NZL | 0.50 | 1 | 0.07 | 40 | 2.80 | | | * 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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