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Individual Calculations May 2021 |
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| Cheng, Chao Xin Total change: 248.80 | |   |
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| 2021 O2C Doeberl Cup Major | Canberra | AUS | 2021-04-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1754 | 1482 | 5.00 | 7 | 3.77 | 40 | 150.80 | |
|  Archer, Saffron | | | 1701 | AUS | 1.00 | 1 | 0.78 | 40 | 31.20 | |  Courtney, Michael J | | | 1763 | AUS | 1.00 | 1 | 0.84 | 40 | 33.60 | | | Brady, Aiden | | | 1768 | AUS | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Guo, Jamie-Lee | | | 1824 | AUS | 1.00 | 1 | 0.88 | 40 | 35.20 | | | Odenthal, Aidan | | | 1791 | AUS | 0.50 | 1 | 0.36 | 40 | 14.40 | | | Melamed, Daniel | | | 1802 | AUS | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Rupasinghe, Sayum | | | 1630 | AUS | 1.00 | 1 | 0.70 | 40 | 28.00 | |
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) | | | | 2021 MCC Anzac Day Weekender | Melbourne | AUS | 2021-04-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1798 | 1482 | 3.00 | 4 | 2.45 | 40 | 98.00 | |
| | Li, Oliver | | | 1762 | AUS | 1.00 | 1 | 0.84 | 40 | 33.60 | | | Yu, Sally | | | 1882 * | AUS | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Savige, Colin B | | | 1760 | AUS | 1.00 | 1 | 0.83 | 40 | 33.20 | | | Dizdarevic, Mehmedalija | | | 1786 | BIH | 1.00 | 1 | 0.86 | 40 | 34.40 | | | * 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) | | |
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