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Individual Calculations February 2023 |
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| Cheng, Chao Xin Total change: -19.76 | |   |
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| 2023 Australian Junior Championship U16 Open | Melbourne | AUS | 2023-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1649 | 1806 | 6.50 | 9 | 0.41 | 38 | 15.58 | |
|  Trewin, Harrison | | | 1413 | AUS | 1.00 | 1 | 0.08 | 38 | 3.04 | |  Hong, Xavier | | | 1616 | AUS | 1.00 | 1 | 0.25 | 38 | 9.50 | | | Rupasinghe, Sayum | | | 1710 | AUS | 0.00 | 1 | -0.63 | 38 | -23.94 | | | Chen, Gordon | | | 1373 | AUS | 1.00 | 1 | 0.06 | 38 | 2.28 | | | Kannan, Archit | | | 1592 | AUS | 1.00 | 1 | 0.23 | 38 | 8.74 | | | Fu, Yihe (rebo) | | | 2149 | AUS | 0.00 | 1 | -0.12 | 38 | -4.56 | | | Cordover, Oliver | | | 1406 * | AUS | 1.00 | 1 | 0.08 | 38 | 3.04 | | | Peramunetilleke, Seth | | | 1841 | AUS | 0.50 | 1 | 0.05 | 38 | 1.90 | | | Retnaraja, Ethan | | | 1744 | AUS | 1.00 | 1 | 0.41 | 38 | 15.58 | | | * 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) | | | | 2023 Oceania Zonal 3.6 Women | Melbourne | AUS | 2023-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1632 | 1806 | 5.50 | 9 | -0.93 | 38 | -35.34 | |
| | Ray, Charlotte | | | 1418 | NZL | 1.00 | 1 | 0.09 | 38 | 3.42 | | | O`carroll, Om | | | 1522 | AUS | 1.00 | 1 | 0.16 | 38 | 6.08 | | | Ryjanova, Julia | | wg | 2288 | AUS | 0.00 | 1 | -0.05 | 38 | -1.90 | | | Maunders, Myiesha | | | 1493 | AUS | 0.00 | 1 | -0.86 | 38 | -32.68 | | | Li, Chuyue Angie | | | 1523 | AUS | 1.00 | 1 | 0.16 | 38 | 6.08 | | | Gratchev, Ekaterina | | | 1627 | AUS | 1.00 | 1 | 0.27 | 38 | 10.26 | | | Szuveges, Narelle S | | wm | 1567 | AUS | 0.50 | 1 | -0.30 | 38 | -11.40 | | | Quek, Kristine | | wf | 1807 | AUS | 0.00 | 1 | -0.50 | 38 | -19.00 | | | Xu, Luna | | | 1443 | NZL | 1.00 | 1 | 0.10 | 38 | 3.80 | |
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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