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Individual Calculations May 2023 |
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| Ong, Jonathan Si Seng Total change: 19.60 | |   |
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| 2023 Norths Club Championship Tournament 5 Rounds 8-9 | Sydney | AUS | 2023-04-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1360 | 1297 | 2.00 | 2 | 1.17 | 40 | 46.80 | |
|  Tay, Mason | | | 1370 | AUS | 1.00 | 1 | 0.60 | 40 | 24.00 | |  Qian, Linda (zhiling) | | | 1349 | CHN | 1.00 | 1 | 0.57 | 40 | 22.80 | |
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 O2C Doeberl Cup Minor | Canberra | AUS | 2023-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1468 | 1297 | 1.00 | 6 | -0.68 | 40 | -27.20 | |
| | Zhang, Richard | | | 1584 | AUS | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Gratchev, Elizaveta | | | 1439 | AUS | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Chan, Benny | | | 1415 | AUS | 1.00 | 1 | 0.66 | 40 | 26.40 | | | Brockman, Roland | | | 1407 | AUS | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Hari, Dhruv | | | 1429 | AUS | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Foenander, Phillip A | | | 1536 | IRL | 0.00 | 1 | -0.20 | 40 | -8.00 | |
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) | | |
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