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Individual Calculations May 2021 |
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| Ackroyd, William Total change: -22.80 | |   |
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| 2021 North Island Championship | Wellington | NZL | 2021-04-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1793 | 1734 | 2.00 | 6 | -0.57 | 40 | -22.80 | |
|  Ker, Anthony F | m | | 2134 * | NZL | 0.50 | 1 | 0.42 | 40 | 16.80 | |  Benitez, Edgar | | | 1795 | NZL | 0.50 | 1 | 0.08 | 40 | 3.20 | | | Steadman, Michael V R | f | | 2134 * | NZL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Hwang, Ryan | | | 1334 * | NZL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Adair, Daniel W | | | 2026 | NZL | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Yu, Weiyang | | | 1334 * | NZL | 0.00 | 1 | -0.92 | 40 | -36.80 | | | * 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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