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Individual Calculations February 2023 |
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| Peramunetilleke, Seth Total change: 21.20 | |   |
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| 2023 Australian Junior Championship U16 Open | Melbourne | AUS | 2023-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1727 | 1841 | 5.50 | 8 | 0.39 | 40 | 15.60 | |
|  Ritter, Theo | | | 1637 | AUS | 1.00 | 1 | 0.24 | 40 | 9.60 | |  Cherukuvada, Tejas | | | 1523 | AUS | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Annapureddy, Rheyansh Reddy | | | 1791 | AUS | 1.00 | 1 | 0.43 | 40 | 17.20 | | | Fu, Yihe (rebo) | | | 2149 | AUS | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Retnaraja, Ethan | | | 1744 | AUS | 1.00 | 1 | 0.37 | 40 | 14.80 | | | Rupasinghe, Sayum | | | 1710 | AUS | 0.00 | 1 | -0.68 | 40 | -27.20 | | | Cheng, Chao Xin | | | 1806 | AUS | 0.50 | 1 | -0.05 | 40 | -2.00 | | | Liaw, Ryan | | | 1452 | AUS | 1.00 | 1 | 0.09 | 40 | 3.60 | |
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 Oceania Zonal 3.6 Open | Melbourne | AUS | 2023-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1821 | 1841 | 5.00 | 9 | 0.14 | 40 | 5.60 | |
| | Rigney, Heath | | | 1441 * | AUS | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Bjelobrk, Igor | m | | 2405 | AUS | 0.50 | 1 | 0.48 | 40 | 19.20 | | | Croad, Nicolas | f | | 2217 | NZL | 0.50 | 1 | 0.41 | 40 | 16.40 | | | Hartley, James | | | 1548 | AUS | 0.00 | 1 | -0.85 | 40 | -34.00 | | | Kong, Nathan | | | 1624 | AUS | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Vujasin, Nikola | | | 1539 | AUS | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Bukreyev, Andriy | | | 2006 | AUS | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Li, Jackie | | | 2035 | AUS | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Smith, Jack | | | 1577 | AUS | 0.50 | 1 | -0.32 | 40 | -12.80 | | | * 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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