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Individual Calculations February 2023 |
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| Koh, Shannon Total change: 119.60 | |   |
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| 2023 Australian Open Championship | Perth | AUS | 2023-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1849 | 1541 | 6.00 | 11 | 4.30 | 26 | 111.80 | |
|  Kelly, Adam | c | | 2005 | AUS | 0.50 | 1 | 0.45 | 26 | 11.70 | |  Saxon, Marc | | | 1813 | AUS | 0.50 | 1 | 0.33 | 26 | 8.58 | | | Laubbacher, Jamie | | | 1797 | AUS | 0.50 | 1 | 0.31 | 26 | 8.06 | | | Novakovic, Velibor | | | 1911 | SRB | 0.50 | 1 | 0.40 | 26 | 10.40 | | | Pimenov, Alex | | | 1800 | AUS | 0.50 | 1 | 0.32 | 26 | 8.32 | | | Janceski, Alex | | | 1821 | AUS | 1.00 | 1 | 0.84 | 26 | 21.84 | | | Chinbat, Chinguun | | | 1787 | MGL | 0.00 | 1 | -0.19 | 26 | -4.94 | | | Hardegen, Kathryn | | wf | 1887 | AUS | 0.50 | 1 | 0.39 | 26 | 10.14 | | | Hernandez Mendez, Iker | | | 1611 | AUS | 1.00 | 1 | 0.60 | 26 | 15.60 | | | Vlietstra, Marc | | | 2007 | AUS | 1.00 | 1 | 0.95 | 26 | 24.70 | | | Holland, Dennis | | | 1899 | AUS | 0.00 | 1 | -0.10 | 26 | -2.60 | |
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) | | | | 2023 Australian Junior Championship U16 Open | Melbourne | AUS | 2023-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1476 | 1541 | 3.50 | 7 | -0.59 | 26 | -15.34 | |
| | De Rooy, Jack | | | 1251 | AUS | 1.00 | 1 | 0.16 | 26 | 4.16 | | | Cherukuvada, Tejas | | | 1523 | AUS | 0.00 | 1 | -0.53 | 26 | -13.78 | | | Liaw, Ryan | | | 1452 | AUS | 0.00 | 1 | -0.62 | 26 | -16.12 | | | Trewin, Harrison | | | 1413 | AUS | 1.00 | 1 | 0.33 | 26 | 8.58 | | | Balachander, Tharan | | | 1755 | AUS | 0.50 | 1 | 0.27 | 26 | 7.02 | | | Jiang, Renfei | | | 1462 | AUS | 0.00 | 1 | -0.61 | 26 | -15.86 | | | Odenthal, Ewan | | | 1474 | AUS | 1.00 | 1 | 0.41 | 26 | 10.66 | |
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 Open | Melbourne | AUS | 2023-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1717 | 1541 | 3.50 | 8 | 0.89 | 26 | 23.14 | |
| | Charles, Gareth | c | | 2039 | AUS | 0.50 | 1 | 0.46 | 26 | 11.96 | | | Castor, David | | | 2127 | AUS | 0.00 | 1 | -0.02 | 26 | -0.52 | | | De Rooy, Jack | | | 1251 | AUS | 1.00 | 1 | 0.16 | 26 | 4.16 | | | Do, Aaron | | | 1803 | AUS | 0.00 | 1 | -0.18 | 26 | -4.68 | | | Gao, Oscar | | | 1727 | AUS | 0.00 | 1 | -0.26 | 26 | -6.76 | | | Zhang, Franklyn | | | 1141 * | NZL | 1.00 | 1 | 0.08 | 26 | 2.08 | | | Hawkins, Sean | | | 1725 | AUS | 0.00 | 1 | -0.26 | 26 | -6.76 | | | Kerr, Atlas | | | 1923 | NZL | 1.00 | 1 | 0.91 | 26 | 23.66 | | | * 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) | | |
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