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Individual Calculations August 2023 |
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| Chen, Austin Total change: -1.60 | |   |
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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 |
| 1361 | 1607 | 2.50 | 4 | -0.67 | 40 | -26.80 | |
|  Xu, Sophia | | | 1207 * | AUS | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Doran, Kaiden | | | 1405 | AUS | 0.50 | 1 | -0.26 | 40 | -10.40 | | | Liu, Isaac | | | 1348 | AUS | 0.50 | 1 | -0.32 | 40 | -12.80 | | | Liu, Zihan | | | 1484 | AUS | 0.50 | 1 | -0.17 | 40 | -6.80 | | | * 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 |
| 1413 | 1634 | 6.00 | 7 | 0.63 | 40 | 25.20 | |
| | Hart, Luka | | | 1326 | AUS | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Doran, Kaiden | | | 1393 | AUS | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Barkley, Christian | | | 1410 | AUS | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Nguyen, Duc Tung | | | 1245 | VIE | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Sudhahar, Mittun | | | 1500 | AUS | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Gratchev, Elizaveta | | | 1483 | AUS | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Howard-Mowat, Oliver | | | 1535 | AUS | 0.00 | 1 | -0.64 | 40 | -25.60 | |
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) | | |
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