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Individual Calculations May 2023 |
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| Zhang, Kendrick (kenny) Total change: -30.60 | |   |
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| 2023 O2C Doeberl Cup Premier | Canberra | AUS | 2023-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2027 | 1844 | 4.50 | 9 | 2.05 | 30 | 61.50 | |
|  Clarke, Matthew | f | | 2075 | AUS | 1.00 | 1 | 0.79 | 30 | 23.70 | |  Yadao, Israel | | | 2253 | AUS | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Prasad, Lalit | c | | 2025 | AUS | 0.00 | 1 | -0.26 | 30 | -7.80 | | | Dragicevic, Domagoj | f | | 2082 | AUS | 0.00 | 1 | -0.20 | 30 | -6.00 | | | Hu, Yifei | | | 1936 | AUS | 0.00 | 1 | -0.37 | 30 | -11.10 | | | Liu, William Rui | | | 1898 | NZL | 1.00 | 1 | 0.58 | 30 | 17.40 | | | O Carroll, Jeremy | | | 2002 | AUS | 1.00 | 1 | 0.71 | 30 | 21.30 | | | Broekhuyse, Paul | | | 2003 | AUS | 1.00 | 1 | 0.71 | 30 | 21.30 | | | Milligan, Helen | c | wf | 1968 | NZL | 0.50 | 1 | 0.17 | 30 | 5.10 | |
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 Junior Championship Under 20 | Canberra | AUS | 2023-04-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1741 | 1844 | 3.00 | 8 | -2.15 | 30 | -64.50 | |
| | Gong, Daniel Hanwen | f | | 2335 | NZL | 0.00 | 1 | -0.04 | 30 | -1.20 | | | Ho, Lachlan | | | 1713 | AUS | 0.50 | 1 | -0.18 | 30 | -5.40 | | | Turner, Jai | | | 1555 | AUS | 0.00 | 1 | -0.84 | 30 | -25.20 | | | Ni, Lucas | | | 1676 | AUS | 1.00 | 1 | 0.28 | 30 | 8.40 | | | Zhu, Harvey | | | 1756 | AUS | 0.50 | 1 | -0.12 | 30 | -3.60 | | | Annapureddy, Rheyansh Reddy | | | 1745 | AUS | 0.00 | 1 | -0.64 | 30 | -19.20 | | | Li, Ian | | | 1444 * | AUS | 1.00 | 1 | 0.08 | 30 | 2.40 | | | Kalina, Leo | | | 1701 | AUS | 0.00 | 1 | -0.69 | 30 | -20.70 | | | * 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) | | | | Auckland ANZAC Weekender 2023 | Auckland | NZL | 2023-04-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1518 | 1844 | 4.00 | 6 | -0.92 | 30 | -27.60 | |
| | Barry, Jacob | | | 1444 * | NZL | 1.00 | 1 | 0.08 | 30 | 2.40 | | | McCollum, Liam | | | 1407 | NZL | 1.00 | 1 | 0.06 | 30 | 1.80 | | | Xu, Luna Yuexiu | | | 1573 | NZL | 0.50 | 1 | -0.33 | 30 | -9.90 | | | Tang, Hao | | | 1969 | NZL | 0.00 | 1 | -0.33 | 30 | -9.90 | | | Somaraju, Sai Vivan Karthikeya | | | 1435 | NZL | 0.50 | 1 | -0.42 | 30 | -12.60 | | | Wang, Lucas | | | 1278 | NZL | 1.00 | 1 | 0.02 | 30 | 0.60 | | | * 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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