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Individual Calculations August 2023 |
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| Xu, Sophia Total change: -18.80 | |   |
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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 |
| 1363 | 1169 | 0.50 | 4 | -0.63 | 40 | -25.20 | |
|  Chen, Austin | | | 1607 | AUS | 0.00 | 1 | -0.06 | 40 | -2.40 | | | Ahern, Sophia | | | 1276 | AUS | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Lin, Matthew | | | 1412 | AUS | 0.50 | 1 | 0.30 | 40 | 12.00 | |  Sagara, Karin | | | 1158 | AUS | 0.00 | 1 | -0.52 | 40 | -20.80 | |
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) | | | | 2023 Gold Coast Open Major | Gold Coast | AUS | 2023-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1421 | 1176 | 1.00 | 4 | 0.16 | 40 | 6.40 | |
| | Fu, Neil | | | 1426 | AUS | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Hogan, Steven | | | 1565 | AUS | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Tong, Justin | | | 1287 | AUS | 1.00 | 1 | 0.65 | 40 | 26.00 | | | Van Der Byl, Orsen | | | 1404 | AUS | 0.00 | 1 | -0.21 | 40 | -8.40 | |
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) | | |
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