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Individual Calculations February 2023 |
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| Wang, Aaron Ziwen Total change: -23.20 | |   |
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| 2023 New Zealand Championship | Wellington | NZL | 2023-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1846 | 1728 | 1.50 | 8 | -1.29 | 20 | -25.80 | |
|  Rains, Edward | c | | 1977 | NZL | 0.00 | 1 | -0.19 | 20 | -3.80 | |  Ning, Isabelle Yixuan | | wc | 1948 | NZL | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Masters, Andrew D | | | 1833 | SCO | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Davis, Johnathan | | | 1940 | USA | 1.00 | 1 | 0.77 | 20 | 15.40 | | | McDougall, Euan | | | 1770 | NZL | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Xing, Zerui | | | 1596 | AUS | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Mao, Daqi | | | 1901 | NZL | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Tanoi, T Edward | | | 1800 | NZL | 0.00 | 1 | -0.40 | 20 | -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) | | | | 2023 Oceania Zonal 3.6 Open | Melbourne | AUS | 2023-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1691 | 1728 | 5.00 | 9 | 0.13 | 20 | 2.60 | |
| | Chiverton, Barnaby | | | 1328 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ilic, Nicholas | | | 2065 | AUS | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Turner, Jai | | | 1518 | AUS | 0.00 | 1 | -0.77 | 20 | -15.40 | | | Higgins, Wade | | | 1433 | AUS | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Arthur, James | | | 1534 | AUS | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Chang, Ethan | | | 1531 | AUS | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Ning, Isabelle Yixuan | | wc | 1948 | NZL | 1.00 | 1 | 0.78 | 20 | 15.60 | | | Dai, Cheng | | | 1971 | AUS | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Zhang, Kendrick (kenny) | c | | 1888 | NZL | 0.50 | 1 | 0.21 | 20 | 4.20 | | | * 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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