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Individual Calculations February 2023 |
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| Hookings, Jonathon Total change: 99.20 | |   |
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| 2023 New Zealand Major Open | Wellington | NZL | 2023-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1603 | 1377 | 4.50 | 7 | 2.76 | 40 | 110.40 | |
|  Benitez, Edgar | | | 1798 | NZL | 0.00 | 1 | -0.07 | 40 | -2.80 | |  Sussex, Taylor | | | 1316 | NZL | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Knightbridge, Wayne | | | 1613 | NZL | 1.00 | 1 | 0.80 | 40 | 32.00 | | | Gan, Emily Cathay | | | 1443 | NZL | 0.00 | 1 | -0.41 | 40 | -16.40 | | | Scott, David | | | 1529 | NZL | 1.00 | 1 | 0.70 | 40 | 28.00 | | | Aldridge, Alan L. | | | 1739 | NZL | 1.00 | 1 | 0.90 | 40 | 36.00 | | | Charles, Dion | | | 1783 | NZL | 0.50 | 1 | 0.42 | 40 | 16.80 | |
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 |
| 1557 | 1377 | 1.00 | 4 | -0.28 | 40 | -11.20 | |
| | Mao, Daqi | | | 1901 | NZL | 0.00 | 1 | -0.03 | 40 | -1.20 | | | Barnett-Harris, Lucas | | | 1591 | NZL | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Gilmore, Blake | | | 1569 | NZL | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Liu, Richard Jingjie | | | 1167 | NZL | 0.50 | 1 | -0.27 | 40 | -10.80 | |
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) | | |
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