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Individual Calculations February 2023 |
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| Ong, Celine Total change: 128.96 | |   |
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| 2023 Australian Open Championship | Perth | AUS | 2023-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1671 | 1376 | 4.50 | 9 | 3.01 | 26 | 78.26 | |
|  Stewart, Clint | | | 1799 | AUS | 0.00 | 1 | -0.07 | 26 | -1.82 | |  Rice, Lauren | | | 1584 | SGP | 0.00 | 1 | -0.23 | 26 | -5.98 | | | Stokes, Mark C | | | 1569 | AUS | 1.00 | 1 | 0.75 | 26 | 19.50 | | | Xiao Zhou, Ning | | | 1583 | AUS | 0.50 | 1 | 0.27 | 26 | 7.02 | | | Andador, Dominador | | | 1886 | AUS | 1.00 | 1 | 0.96 | 26 | 24.96 | | | Weller, Tony | | | 1639 | AUS | 0.00 | 1 | -0.18 | 26 | -4.68 | | | Roebuck, Derek J | | | 1592 | AUS | 1.00 | 1 | 0.78 | 26 | 20.28 | | | Can, Ryan | | | 1658 | AUS | 0.50 | 1 | 0.34 | 26 | 8.84 | | | Dagza, Ben | | | 1726 | AUS | 0.50 | 1 | 0.39 | 26 | 10.14 | |
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 Australian Junior Championship U18 and U16 Girls | Melbourne | AUS | 2023-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1468 | 1376 | 4.00 | 8 | 0.79 | 26 | 20.54 | |
| | He, Angela | | | 1399 | AUS | 1.00 | 1 | 0.53 | 26 | 13.78 | | | Gratchev, Ekaterina | | | 1627 | AUS | 0.50 | 1 | 0.31 | 26 | 8.06 | | | Vincent, Alaina | | | 1896 | AUS | 0.00 | 1 | -0.03 | 26 | -0.78 | | | O`carroll, Om | | | 1522 | AUS | 1.00 | 1 | 0.70 | 26 | 18.20 | | | Fan, Chloe | | | 1553 | AUS | 0.50 | 1 | 0.23 | 26 | 5.98 | | | Pan, Katherine | | | 1220 | AUS | 0.00 | 1 | -0.71 | 26 | -18.46 | | | Retnaraja, Athena-Malar | | | 1473 | AUS | 0.00 | 1 | -0.37 | 26 | -9.62 | | | Wang, Jiayuan | | | 1051 | AUS | 1.00 | 1 | 0.13 | 26 | 3.38 | |
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 |
| 1479 | 1376 | 4.50 | 9 | 1.16 | 26 | 30.16 | |
| | Gratchev, Ekaterina | | | 1627 | AUS | 0.00 | 1 | -0.19 | 26 | -4.94 | | | Chang, Yolanda | | | 1507 | NZL | 0.50 | 1 | 0.18 | 26 | 4.68 | | | Morrison, Jennifer | | | 1643 | AUS | 0.50 | 1 | 0.32 | 26 | 8.32 | | | Watson, Jean | | | 1528 | AUS | 0.50 | 1 | 0.20 | 26 | 5.20 | | | Pan, Katherine | | | 1220 | AUS | 1.00 | 1 | 0.29 | 26 | 7.54 | | | Van Sebille, Sulia | | | 1587 | AUS | 0.00 | 1 | -0.23 | 26 | -5.98 | | | Davis, Sophie | | | 1407 | AUS | 0.50 | 1 | 0.04 | 26 | 1.04 | | | De Vas, Senudi | | | 1276 | AUS | 1.00 | 1 | 0.36 | 26 | 9.36 | | | Huey, Chelsea | | | 1515 | AUS | 0.50 | 1 | 0.19 | 26 | 4.94 | |
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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