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Individual Calculations July 2023 |
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| Dai, Cheng Total change: -11.80 | |   |
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| 2023 Box Hill Club Championship Division 1 Rounds 6-8 | Melbourne | AUS | 2023-06-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2057 | 2057 | 2.00 | 3 | 0.49 | 20 | 9.80 | |
|  Hartley, James | | | 1920 | AUS | 1.00 | 1 | 0.32 | 20 | 6.40 | |  Wallis, Christopher | f | | 2261 | AUS | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Yang, Ray | f | | 1990 | AUS | 1.00 | 1 | 0.41 | 20 | 8.20 | |
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) | | | | 2023 MCC City of Melbourne Open Rounds 6-8 | Melbourne | AUS | 2023-06-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1854 | 2057 | 2.50 | 3 | 0.29 | 20 | 5.80 | |
| | Bassig, Hamish | c | | 2056 | AUS | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Dakic, Dusan | | | 1723 | AUS | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Poberezovsky, Daniel | | | 1782 | AUS | 1.00 | 1 | 0.17 | 20 | 3.40 | |
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 Victorian Open | Melbourne | AUS | 2023-06-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1651 | 2057 | 5.00 | 7 | -1.37 | 20 | -27.40 | |
| | Kolak, Tanya | | | 1657 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Carter, Mason | | | 1639 | AUS | 0.00 | 1 | -0.93 | 20 | -18.60 | | | Hari, Dhruv | | | 1421 | AUS | 1.00 | 1 | 0.01 | 20 | 0.20 | | | Xia, Justin | | | 1595 | AUS | 1.00 | 1 | 0.05 | 20 | 1.00 | | | Arthur, James | | | 1723 | AUS | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Savige, Colin B | | | 1760 | AUS | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Annapureddy, Rheyansh Reddy | | | 1762 | AUS | 0.00 | 1 | -0.85 | 20 | -17.00 | | | * 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) | | |
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