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Individual Calculations July 2023 |
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| Yu, Zachary Total change: 51.20 | |   |
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| 45th Trusts Chess Open A | Auckland | NZL | 2023-06-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1839 | 1863 | 3.00 | 6 | -0.30 | 40 | -12.00 | |
|  Wang, Lachlan | | | 1746 | AUS | 0.50 | 1 | -0.16 | 40 | -6.40 | |  Hague, Ben | f | | 2351 | NZL | 0.00 | 1 | -0.04 | 40 | -1.60 | | | McDonald, Duncan | | | 1608 | NZL | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Dare, Richard J | | | 1903 | NZL | 0.50 | 1 | 0.06 | 40 | 2.40 | | | Sun, Wanyao Sarah | | | 1557 | NZL | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Park-Tamati, Philli | | | 1870 | NZL | 0.00 | 1 | -0.49 | 40 | -19.60 | |
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 NSW Open | Sydney | AUS | 2023-06-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1926 | 1863 | 5.00 | 7 | 2.07 | 40 | 82.80 | |
| | Kethro, Michael | f | | 2162 | AUS | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Lin, Lucas | | | 1574 | AUS | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Hu, Yifei | | | 2001 | AUS | 1.00 | 1 | 0.69 | 40 | 27.60 | | | Yang, Gordon | | | 1859 | AUS | 1.00 | 1 | 0.49 | 40 | 19.60 | | | Press, Harry | | | 2077 | AUS | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Anderson, Brendan | | | 1963 | AUS | 1.00 | 1 | 0.64 | 40 | 25.60 | | | Brown, Joshua | | | 1845 | AUS | 1.00 | 1 | 0.47 | 40 | 18.80 | |
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 NSCC Championship A 1 | Auckland | NZL | 2023-06-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1870 | 1863 | 0.00 | 1 | -0.49 | 40 | -19.60 | |
| | Park-Tamati, Philli | | | 1870 | NZL | 0.00 | 1 | -0.49 | 40 | -19.60 | |
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) | | |
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