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Individual Calculations May 2023 |
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| Cooper, Joshua Total change: 140.40 | |   |
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| 2023 O2C Doeberl Cup Minor | Canberra | AUS | 2023-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1512 | 1398 | 4.00 | 7 | 1.51 | 40 | 60.40 | |
|  Hong, Liang | | | 1344 | AUS | 1.00 | 1 | 0.42 | 40 | 16.80 | |  Chai, Kang | | | 1586 | AUS | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Davis, Sophie | | | 1393 | AUS | 1.00 | 1 | 0.49 | 40 | 19.60 | | | Badrinarayan, Siddhant | | | 1565 | AUS | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Rodriguez, Maickel | | | 1549 | AUS | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Xing, Zeqi | | | 1471 | AUS | 1.00 | 1 | 0.60 | 40 | 24.00 | | | Campbell, Paul | | | 1677 | AUS | 0.00 | 1 | -0.16 | 40 | -6.40 | |
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 Youth Championship Under 14 | Canberra | AUS | 2023-04-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1572 | 1398 | 4.50 | 8 | 2.00 | 40 | 80.00 | |
| | Xing, Zerui | | | 1750 | AUS | 1.00 | 1 | 0.89 | 40 | 35.60 | | | Cheng, Larry | | | 1477 | AUS | 0.50 | 1 | 0.11 | 40 | 4.40 | | | Zhang, Richard | | | 1584 | AUS | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Li, Tedric | | | 1936 | AUS | 0.00 | 1 | -0.03 | 40 | -1.20 | | | Horlin-Smith, Alexander | | | 1222 | AUS | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Chang, Ethan | | | 1670 | AUS | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Chen, Anderson | | | 1375 | NZL | 1.00 | 1 | 0.47 | 40 | 18.80 | | | De Vas, Yonal | | | 1565 | AUS | 1.00 | 1 | 0.72 | 40 | 28.80 | |
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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