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Individual Calculations May 2023 |
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| Cummings, Nick Total change: -54.40 | |   |
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| 2023 Wellington Open | Wellington | NZL | 2023-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1675 | 1956 | 2.50 | 5 | -1.60 | 20 | -32.00 | |
|  List, Robert | | | 1549 | NZL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Jackson, L Ross | | | 1790 | NZL | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Aldridge, Alan L | | | 1679 | NZL | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Loke, Kayden | | | 1800 | NZL | 0.00 | 1 | -0.71 | 20 | -14.20 | | | Campbell, Cazna | | | 1556 * | NZL | 0.50 | 1 | -0.42 | 20 | -8.40 | | | * 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 |
| 1555 | 1956 | 4.00 | 6 | -1.12 | 20 | -22.40 | |
| | Wang, Lucas | | | 1556 * | NZL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Somaraju, Sai Vivan Karthikeya | | | 1435 | NZL | 0.50 | 1 | -0.47 | 20 | -9.40 | | | Baker, Ilias Angelo (leo) | | | 1359 | NZL | 1.00 | 1 | 0.02 | 20 | 0.40 | | | Xu, Luna Yuexiu | | | 1573 | NZL | 0.50 | 1 | -0.41 | 20 | -8.20 | | | McLaren, Leonard | f | | 2060 | NZL | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Xia, Yuehan (max) | | | 1349 | NZL | 1.00 | 1 | 0.02 | 20 | 0.40 | | | * 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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