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Individual Calculations May 2023 |
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| Ruan, Harry Total change: 31.00 | |   |
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| 2023 Norths Club Championship Tournament 2 Rounds 8-9 | Sydney | AUS | 2023-04-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1831 | 1923 | 2.00 | 2 | 0.75 | 20 | 15.00 | |
|  Peramunetilleke, Seth | | | 1887 | AUS | 1.00 | 1 | 0.45 | 20 | 9.00 | |  Kordahi, Nicholas | | | 1774 | AUS | 1.00 | 1 | 0.30 | 20 | 6.00 | |
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) | | | | 2023 O2C Doeberl Cup Premier | Canberra | AUS | 2023-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1995 | 1923 | 4.50 | 9 | 0.80 | 20 | 16.00 | |
| | Solomon, Stephen J | m | | 2271 | AUS | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Dragicevic, Domagoj | f | | 2082 | AUS | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Broekhuyse, Paul | | | 2003 | AUS | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Siva Sankaran, Anup Kumar | | | 1817 | AUS | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Teh, Rui Gen | | | 1987 | AUS | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Hartley, James | | | 1951 | AUS | 0.00 | 1 | -0.46 | 20 | -9.20 | | | Galea, Patrick | | | 1852 | AUS | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Milligan, Helen | c | wf | 1968 | NZL | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Prasad, Lalit | c | | 2025 | AUS | 0.50 | 1 | 0.14 | 20 | 2.80 | |
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) | | |
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