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Individual Calculations May 2023 |
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| Williams, Elizabeth Total change: 36.80 | |   |
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| 2023 O2C Doeberl Cup Mini | Canberra | AUS | 2023-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1337 | 1245 | 2.50 | 4 | 0.93 | 40 | 37.20 | |
|  Liang, Joshua | | | 1293 | AUS | 1.00 | 1 | 0.57 | 40 | 22.80 | |  Hadikusumo, Elijah | | | 1235 | AUS | 0.50 | 1 | -0.01 | 40 | -0.40 | | | Juszczynski, Mathew | | | 1573 | AUS | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Liu, Richard Jingjie | | | 1245 | NZL | 1.00 | 1 | 0.50 | 40 | 20.00 | |
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 Oceania Youth Championship Under 12 | Canberra | AUS | 2023-04-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1516 | 1245 | 0.50 | 3 | -0.01 | 40 | -0.40 | |
| | Chakrabarty, Reyaansh | | | 1540 | AUS | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Xing, Zeqi | | | 1471 | AUS | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Liu, Ryan Chengji | | | 1538 | AUS | 0.00 | 1 | -0.15 | 40 | -6.00 | |
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) | | |
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