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Individual Calculations May 2023 |
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| Zhu, Harvey Total change: -45.20 | |   |
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| 2023 Norths Club Championship Tournament 3 Round 9 | Sydney | AUS | 2023-04-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1764 | 1756 | 0.50 | 1 | 0.01 | 40 | 0.40 | |
|  Guse, Jerzy | | | 1764 | AUS | 0.50 | 1 | 0.01 | 40 | 0.40 | |
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 O2C Doeberl Cup Major | Canberra | AUS | 2023-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1675 | 1756 | 3.50 | 7 | -0.77 | 40 | -30.80 | |
|  Shen, Fiona | | | 1595 | AUS | 0.50 | 1 | -0.21 | 40 | -8.40 | | | Dick, David W | | | 1799 | AUS | 0.00 | 1 | -0.44 | 40 | -17.60 | | | Bekker, Gary D | c | | 1654 | AUS | 0.50 | 1 | -0.14 | 40 | -5.60 | | | Solomontchik, Daniel | | | 1659 | FID | 1.00 | 1 | 0.37 | 40 | 14.80 | | | Tankel, Alan | | | 1722 | AUS | 0.50 | 1 | -0.05 | 40 | -2.00 | | | Guo, David | | | 1663 | AUS | 0.00 | 1 | -0.63 | 40 | -25.20 | | | Chen, Austin | | | 1633 | AUS | 1.00 | 1 | 0.33 | 40 | 13.20 | |
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) | | | | 2023 Oceania Junior Championship Under 20 | Canberra | AUS | 2023-04-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1722 | 1756 | 4.50 | 9 | -0.37 | 40 | -14.80 | |
| | Renjith, Sravan | f | | 2117 | NZL | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Guo, Leo | | | 1504 | AUS | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Lane, Ryan | | | 1915 | AUS | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Li, Ian | | | 1414 | AUS | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Zhang, Kendrick Botong | c | | 1844 | NZL | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Liu, William Rui | | | 1898 | NZL | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Turner, Jai | | | 1555 | AUS | 0.50 | 1 | -0.26 | 40 | -10.40 | | | Kalina, Leo | | | 1701 | AUS | 0.50 | 1 | -0.08 | 40 | -3.20 | | | Gatzen-O`keefe, Thomas | | | 1554 | AUS | 1.00 | 1 | 0.24 | 40 | 9.60 | |
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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