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Individual Calculations August 2023 |
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| Cooper, Joshua Total change: -30.00 | |   |
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| 2023 Queensland Junior Chess Championships Under 14-18 | Brisbane | AUS | 2023-06-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1379 | 1541 | 2.50 | 5 | -0.84 | 40 | -33.60 | |
|  Jayasundara, Methul | | | 1141 * | AUS | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Doran, Kaiden | | | 1405 | AUS | 0.50 | 1 | -0.18 | 40 | -7.20 | | | Sem, Shi Ke | | | 1116 | AUS | 1.00 | 1 | 0.07 | 40 | 2.80 | |  Ly-Liu, Alexavier | | | 1735 | AUS | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Leitch, Jason | | | 1499 | AUS | 0.00 | 1 | -0.56 | 40 | -22.40 | | | * 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) | | | | 2023 Gold Coast Open Major | Gold Coast | AUS | 2023-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1377 | 1541 | 5.00 | 7 | 0.09 | 40 | 3.60 | |
| | Hu, Luke | | | 1252 | AUS | 0.50 | 1 | -0.34 | 40 | -13.60 | | | Chau, Kevin | | | 1306 | AUS | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Vagg, Adam | | | 1399 | AUS | 0.50 | 1 | -0.19 | 40 | -7.60 | | | Liu, Isaac | | | 1390 | AUS | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Nguyen, Duc Tung | | | 1245 | VIE | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Praveen, Jeeva | | | 1636 | AUS | 0.00 | 1 | -0.37 | 40 | -14.80 | | | Lin, Matthew | | | 1412 | 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) | | |
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