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Individual Calculations February 2023 |
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| Barnett-Harris, Lucas Total change: -10.80 | |   |
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| 2023 New Zealand Major Open | Wellington | NZL | 2023-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1581 | 1591 | 3.00 | 6 | -0.09 | 40 | -3.60 | |
|  Yue, Annie | | | 1257 | NZL | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Suggate, Romero | | | 1781 | NZL | 0.00 | 1 | -0.25 | 40 | -10.00 | |  Brockway, Andrew | | | 1548 | NZL | 0.50 | 1 | -0.06 | 40 | -2.40 | | | Sun, Wanyao Sarah | | | 1454 | NZL | 0.00 | 1 | -0.68 | 40 | -27.20 | | | Ashe, Michael | | | 1522 | NZL | 1.00 | 1 | 0.40 | 40 | 16.00 | | | Kerr, Atlas | | | 1923 | NZL | 0.50 | 1 | 0.38 | 40 | 15.20 | |
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 |
| 1475 | 1591 | 4.00 | 6 | -0.18 | 40 | -7.20 | |
| | Yue, Annie | | | 1257 | NZL | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Gong, Daniel Hanwen | f | | 2327 | NZL | 0.00 | 1 | 0.00 | 40 | 0.00 | | | Tao, Junqing Jerome | | | 1350 | NZL | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Hookings, Jonathon | | | 1377 | NZL | 0.50 | 1 | -0.27 | 40 | -10.80 | | | Li, Bill | | | 1234 | NZL | 0.50 | 1 | -0.39 | 40 | -15.60 | | | Lu, Xiahan (luna) | | | 1303 | NZL | 1.00 | 1 | 0.16 | 40 | 6.40 | |
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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