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Individual Calculations August 2023 |
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| Tang, Hao Total change: 8.40 | |   |
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| 2023 Peter Stuart Memorial Open North Island Championship | Auckland | NZL | 2023-07-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1821 | 1999 | 4.00 | 5 | 0.42 | 20 | 8.40 | |
|  Wilson, Dion | | | 1599 * | NZL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Cilia Vincenti, David | c | | 1928 | MLT | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Yu, Zachary | | | 1914 | NZL | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Liu, William Rui | | | 1854 | NZL | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Nagorski, Alex | c | | 1810 | NZL | 0.50 | 1 | -0.25 | 20 | -5.00 | | | * 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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