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Individual Calculations February 2023 |
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| Hwang, Ryan Total change: -11.20 | |   |
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| 2023 New Zealand Major Open | Wellington | NZL | 2023-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1422 | 1425 | 2.00 | 6 | -1.08 | 40 | -43.20 | |
|  Malcolm, Aidan | | | 1553 | NZL | 0.00 | 1 | -0.33 | 40 | -13.20 | |  Coates, Alex | | | 1393 | NZL | 0.00 | 1 | -0.54 | 40 | -21.60 | | | Xing, Zeqi | | | 1211 | AUS | 0.00 | 1 | -0.77 | 40 | -30.80 | | | Tao, Junqing Jerome | | | 1350 | NZL | 1.00 | 1 | 0.40 | 40 | 16.00 | | | Charles, Dion | | | 1783 | NZL | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Ng, Lok Jim (lauren) | | | 1240 | NZL | 1.00 | 1 | 0.26 | 40 | 10.40 | |
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) | | | | 2023 New Zealand Junior and Age Group Championships | Wellington | NZL | 2023-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1598 | 1425 | 2.50 | 5 | 0.80 | 40 | 32.00 | |
| | Van Der Hoorn, Thomas | | | 1898 | NZL | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Ng, Lok Jim (lauren) | | | 1240 | NZL | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Loke, Kayden | | | 1872 | NZL | 0.50 | 1 | 0.44 | 40 | 17.60 | | | Malcolm, Leo | | | 1656 | NZL | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Chen, Anderson | | | 1326 | NZL | 1.00 | 1 | 0.36 | 40 | 14.40 | |
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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