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Individual Calculations February 2024 |
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| McDonald, Duncan Total change: -2.80 | |   |
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| 131st New Zealand Chess Championship 2024 | Palmerston North | NZL | 2024-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1729 | 1657 | 4.00 | 9 | 0.34 | 20 | 6.80 | |
|  Archer, Ollie | c | | 2024 | NZL | 0.00 | 1 | -0.10 | 20 | -2.00 | |  Burns, Christopher J | | | 1926 | NZL | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Zhu, David Junyang | | | 1720 | NZL | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Rowe, Abigail | | | 1356 | NZL | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Ng, Lok Jim (lauren) | | | 1348 | NZL | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Van Der Hoorn, Thomas | | | 1882 | NZL | 0.50 | 1 | 0.28 | 20 | 5.60 | | | Braganza, Nadia | | wc | 1808 | NZL | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Young, Cohen | | | 1829 | NZL | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Wang, Justin Zhide | | | 1669 | NZL | 0.50 | 1 | 0.02 | 20 | 0.40 | |
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) | | | | Auckland Anniversary Weekender 2024 | Auckland | NZL | 2024-01-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1490 | 1657 | 3.00 | 5 | -0.48 | 20 | -9.60 | |
| | Zhang, Lucas Boyu | | | 1258 | NZL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Xu, Luna Yuexiu | | | 1406 | NZL | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Zara, Baraa | | | 1503 | NZL | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Liang, Ting | | | 1441 | USA | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Loke, Kayden | | | 1844 | NZL | 0.00 | 1 | -0.26 | 20 | -5.20 | |
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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