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Individual Calculations February 2023 |
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| Ng, Lok Jim (lauren) Total change: 6.80 | |   |
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| 2023 New Zealand Major Open | Wellington | NZL | 2023-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1567 | 1240 | 0.50 | 5 | -0.23 | 40 | -9.20 | |
|  Aldridge, Alan L. | | | 1739 | NZL | 0.00 | 1 | -0.04 | 40 | -1.60 | |  Cooke, Xandi | | | 1449 | NZL | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Rossiter, Philip E | | | 1647 | NZL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | List, Robert | | | 1576 | NZL | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Hwang, Ryan | | | 1425 | NZL | 0.00 | 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 |
| 1544 | 1240 | 1.00 | 4 | 0.40 | 40 | 16.00 | |
| | Gilmore, Blake | | | 1569 | NZL | 0.50 | 1 | 0.38 | 40 | 15.20 | | | Paxton, Levi | | | 1625 | NZL | 0.50 | 1 | 0.41 | 40 | 16.40 | | | Hwang, Ryan | | | 1425 | NZL | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Qi, Jenny | | | 1556 | USA | 0.00 | 1 | -0.13 | 40 | -5.20 | |
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) | | |
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