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Individual Calculations February 2023 |
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| Qi, Jenny Total change: 66.40 | |   |
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| 2023 New Zealand Major Open | Wellington | NZL | 2023-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1627 | 1556 | 4.50 | 6 | 1.97 | 40 | 78.80 | |
|  Baker, Ilias Angelo (leo) | | | 1480 | NZL | 0.50 | 1 | -0.10 | 40 | -4.00 | |  Rossiter, Philip E | | | 1647 | NZL | 1.00 | 1 | 0.62 | 40 | 24.80 | | | Scott, David | | | 1529 | NZL | 1.00 | 1 | 0.46 | 40 | 18.40 | | | Aldridge, Alan L. | | | 1739 | NZL | 1.00 | 1 | 0.74 | 40 | 29.60 | | | Gan, Emily Cathay | | | 1443 | NZL | 0.00 | 1 | -0.65 | 40 | -26.00 | | | Kerr, Atlas | | | 1923 | NZL | 1.00 | 1 | 0.90 | 40 | 36.00 | |
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) | | | | 2023 New Zealand Junior and Age Group Championships | Wellington | NZL | 2023-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1649 | 1556 | 2.00 | 5 | -0.31 | 40 | -12.40 | |
| | Gong, Daniel Hanwen | f | | 2327 | NZL | 0.00 | 1 | 0.00 | 40 | 0.00 | | | Zhang, Franklyn | | | 1156 * | NZL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Paxton, Levi | | | 1625 | NZL | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Ng, Lok Jim (lauren) | | | 1240 | NZL | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Van Der Hoorn, Thomas | | | 1898 | NZL | 0.00 | 1 | -0.12 | 40 | -4.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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