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Individual Calculations February 2023 |
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| Arthur, Matthew Total change: 73.16 | |   |
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| 2023 Australian Open Championship | Perth | AUS | 2023-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1684 | 1441 | 5.00 | 9 | 3.09 | 31 | 95.79 | |
|  McAteer, Ian | | | 1605 | AUS | 1.00 | 1 | 0.72 | 31 | 22.32 | |  Hardegen, Kathryn | | wf | 1887 | AUS | 0.00 | 1 | -0.06 | 31 | -1.86 | | | Xiao Zhou, Ning | | | 1583 | AUS | 0.50 | 1 | 0.19 | 31 | 5.89 | | | Cadag, Herbert | | | 1557 | AUS | 1.00 | 1 | 0.66 | 31 | 20.46 | | | Hurst, Benjamin | | | 1628 | AUS | 0.50 | 1 | 0.24 | 31 | 7.44 | | | Dagza, Ben | | | 1726 | AUS | 1.00 | 1 | 0.84 | 31 | 26.04 | | | Gao, Oscar | | | 1727 | AUS | 0.00 | 1 | -0.16 | 31 | -4.96 | | | Barry, David | | | 1647 | AUS | 0.50 | 1 | 0.26 | 31 | 8.06 | | | Pimenov, Alex | | | 1800 | AUS | 0.50 | 1 | 0.40 | 31 | 12.40 | |
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 Australian Junior Championship U18 Open | Melbourne | AUS | 2023-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1628 | 1441 | 2.50 | 6 | 0.91 | 31 | 28.21 | |
| | Thadani, Aman Deepak | | | 1763 | AUS | 0.00 | 1 | -0.13 | 31 | -4.03 | | | Maziarz, Pierre | | | 1569 | FRA | 0.00 | 1 | -0.33 | 31 | -10.23 | | | He, Caleb | | | 1663 | NZL | 0.00 | 1 | -0.22 | 31 | -6.82 | | | Wang, Eason | | | 1570 | AUS | 0.50 | 1 | 0.17 | 31 | 5.27 | | | Xiao Zhou, Ning | | | 1583 | AUS | 1.00 | 1 | 0.69 | 31 | 21.39 | | | Pritchard, Max | | | 1617 | AUS | 1.00 | 1 | 0.73 | 31 | 22.63 | |
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 |
| 1566 | 1441 | 1.50 | 7 | -1.64 | 31 | -50.84 | |
| | Kerr, Atlas | | | 1923 | NZL | 0.00 | 1 | -0.05 | 31 | -1.55 | | | Fancy, Stuart | f | | 1981 | PNG | 0.00 | 1 | -0.03 | 31 | -0.93 | | | Castor, David | | | 2127 | AUS | 0.00 | 1 | -0.01 | 31 | -0.31 | | | Woodrow, Daniel | | | 1169 | AUS | 0.00 | 1 | -0.83 | 31 | -25.73 | | | Sritharan, Virushaan | | | 1253 | AUS | 1.00 | 1 | 0.26 | 31 | 8.06 | | | Sanusi-Goh, Gavyn | | | 1326 | AUS | 0.50 | 1 | -0.16 | 31 | -4.96 | | | Williams, Elizabeth | | | 1183 | AUS | 0.00 | 1 | -0.82 | 31 | -25.42 | |
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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