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Individual Calculations August 2023 |
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| Powlesland, Brogan Total change: 34.80 | |   |
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| ACC Winter Cup 2023 2-6 | Auckland | NZL | 2023-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1187 | 1367 | 2.00 | 3 | -0.18 | 40 | -7.20 | |
|  Milne, Virginia | | | 1217 | NZL | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Pan, Alexander Hanrui | | | 1275 | NZL | 0.00 | 1 | -0.63 | 40 | -25.20 | |  Hettiarachchi, Kisara | | | 1068 | NZL | 1.00 | 1 | 0.15 | 40 | 6.00 | |
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) | | | NOTE: K factor changed | | 2023 Peter Stuart Memorial Open North Island Championship | Auckland | NZL | 2023-07-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1640 | 1357 | 3.50 | 8 | 2.10 | 20 | 42.00 | |
| | Zhu, David Junyang | | | 1639 | NZL | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Sun, Wanyao Sarah | | | 1559 | NZL | 1.00 | 1 | 0.76 | 20 | 15.20 | | | Qi, Jenny | | | 1652 | USA | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Po E-Tofaeono, Hunter | | | 1581 | NZL | 1.00 | 1 | 0.78 | 20 | 15.60 | | | Johns, Daniel P | | | 1723 | NZL | 1.00 | 1 | 0.90 | 20 | 18.00 | | | Wright, Caleb | | | 1860 | NZL | 0.00 | 1 | -0.04 | 20 | -0.80 | | | Wang, Justin Zhide | | | 1589 | NZL | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Zhang, Charles | | | 1520 | NZL | 0.50 | 1 | 0.22 | 20 | 4.40 | |
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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