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Individual Calculations August 2023 |
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| Zhu, David Junyang Total change: 89.60 | |   |
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| 2023 NSCC Championship A 2-5 | Auckland | NZL | 2023-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1768 | 1656 | 3.00 | 3 | 1.93 | 40 | 77.20 | |
|  Johns, Daniel P | | | 1720 | NZL | 1.00 | 1 | 0.59 | 40 | 23.60 | |  Wang, Justin Zhide | | | 1675 | NZL | 1.00 | 1 | 0.53 | 40 | 21.20 | | | Metge, J Nigel | | | 1908 | NZL | 1.00 | 1 | 0.81 | 40 | 32.40 | |
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 Peter Stuart Memorial Open North Island Championship | Auckland | NZL | 2023-07-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1627 | 1639 | 4.50 | 8 | 0.31 | 40 | 12.40 | |
| | Powlesland, Brogan | | | 1357 | NZL | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Mao, Daqi | | | 2006 | NZL | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Ng, Lok Jim (lauren) | | | 1341 | NZL | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Malcolm, Leo | | | 1667 | NZL | 0.50 | 1 | 0.04 | 40 | 1.60 | | | Cilia Vincenti, David | c | | 1928 | MLT | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Gan, Emily Cathay | | | 1559 | NZL | 1.00 | 1 | 0.39 | 40 | 15.60 | | | Po E-Tofaeono, Grayson | | | 1567 | NZL | 0.50 | 1 | -0.10 | 40 | -4.00 | | | Chang, Yolanda | | | 1591 | NZL | 0.50 | 1 | -0.07 | 40 | -2.80 | |
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) | | |
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