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Individual Calculations February 2023 |
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| Retnaraja, Ethan Total change: -7.60 | |   |
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| 2023 Australian Junior Championship U16 Open | Melbourne | AUS | 2023-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1693 | 1744 | 3.50 | 7 | -0.44 | 40 | -17.60 | |
|  Fu, Yihe (rebo) | | | 2149 | AUS | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Cherukuvada, Tejas | | | 1523 | AUS | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Liaw, Ryan | | | 1452 | AUS | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Peramunetilleke, Seth | | | 1841 | AUS | 0.00 | 1 | -0.37 | 40 | -14.80 | | | Chen, Gordon | | | 1373 | AUS | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Rupasinghe, Sayum | | | 1710 | AUS | 0.50 | 1 | -0.05 | 40 | -2.00 | | | Cheng, Chao Xin | | | 1806 | AUS | 0.00 | 1 | -0.41 | 40 | -16.40 | |
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 Oceania Zonal 3.6 Open | Melbourne | AUS | 2023-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1724 | 1744 | 5.00 | 9 | 0.25 | 40 | 10.00 | |
| | Djatschenko, Addison | | | 1344 * | AUS | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Papantoniou, John | | | 2067 | AUS | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Gan, Emily | | | 1443 | NZL | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Rodgers, Jack | | | 2034 | AUS | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Xia, Justin | | | 1525 | AUS | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Renjith, Sravan | f | | 2172 | NZL | 0.00 | 1 | -0.07 | 40 | -2.80 | | | Hong, Wilbur | | | 1538 | AUS | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Zhao, Tiger Chengxin | | | 1422 | AUS | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Stojic, Svetozar | | | 1974 | AUS | 0.00 | 1 | -0.21 | 40 | -8.40 | | | * 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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