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Individual Calculations February 2023 |
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| Zhao, Oliver Total change: -40.00 | |   |
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| 2023 New Zealand Major Open | Wellington | NZL | 2023-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1377 | 1264 | 2.00 | 6 | -0.19 | 40 | -7.60 | |
|  Zhang, Franklyn | | | 1084 | NZL | 1.00 | 1 | 0.26 | 40 | 10.40 | |  Coates, Alex | | | 1393 | NZL | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Familton, Gregory | | | 1634 | NZL | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Tang, Tracy | | | 1378 | NZL | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Lourenco, Eva | | wc | 1339 | NZL | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Pakenham, John | | | 1434 | NZL | 0.50 | 1 | 0.22 | 40 | 8.80 | |
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 New Zealand Junior and Age Group Championships | Wellington | NZL | 2023-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1472 | 1264 | 0.00 | 2 | -0.81 | 40 | -32.40 | |
| | Kerr, Atlas | | | 1923 | NZL | 0.00 | 1 | -0.01 | 40 | -0.40 | | | Wang, Carol Huixin | | | 1021 | NZL | 0.00 | 1 | -0.80 | 40 | -32.00 | |
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) | | |
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