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Individual Calculations May 2021 |
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| Ker, Anthony F Total change: -2.30 | |   |
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| 2021 North Island Championship | Wellington | NZL | 2021-04-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2152 | 2305 | 4.50 | 7 | -0.23 | 10 | -2.30 | |
|  Ackroyd, William | | | 1905 * | NZL | 0.50 | 1 | -0.42 | 10 | -4.20 | | | Ha, Huy Minh (timothy) | | | 1905 * | NZL | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Rains, Edward | c | | 2005 | NZL | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Dive, Russell J | m | | 2260 | NZL | 0.50 | 1 | -0.06 | 10 | -0.60 | | | Cilia Vincenti, David | c | | 2101 | MLT | 1.00 | 1 | 0.24 | 10 | 2.40 | | | Russell, M K Athula | | | 2216 | SRI | 0.50 | 1 | -0.12 | 10 | -1.20 | | | Jones, Gawain C B | g | | 2670 | ENG | 0.00 | 1 | -0.10 | 10 | -1.00 | | | * 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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