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Individual Calculations May 2021 |
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| Dharmasena, Kian Total change: 42.40 | |   |
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| 2021 North Island Championship | Wellington | NZL | 2021-04-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1752 | 1539 | 2.50 | 6 | 1.04 | 40 | 41.60 | |
|  Piwari, Dylan Tama | | | 1939 * | NZL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Lyall, Simon | | | 1653 | NZL | 0.50 | 1 | 0.16 | 40 | 6.40 | |  Rossiter, Philip E | | | 1686 | NZL | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Dolejs, Dan | | | 1664 | NZL | 1.00 | 1 | 0.67 | 40 | 26.80 | | | Jackson, L Ross | | | 1840 | NZL | 0.50 | 1 | 0.35 | 40 | 14.00 | | | Chen, Wei Kai | | | 1727 | NZL | 0.00 | 1 | -0.26 | 40 | -10.40 | | | * 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 2021 | Auckland | NZL | 2021-04-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1742 | 1539 | 1.00 | 4 | 0.02 | 40 | 0.80 | |
| | Zhang, Kendrick Botong | | | 1809 | NZL | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Braganza, Nadia | | wc | 1648 | NZL | 1.00 | 1 | 0.65 | 40 | 26.00 | | | Nagorski, Alex | c | | 1794 | NZL | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Ha, Huy Minh (timothy) | | | 1715 | NZL | 0.00 | 1 | -0.27 | 40 | -10.80 | |
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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