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Individual Calculations February 2023 |
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| Williamson, Graham A Total change: -3.20 | |   |
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| 29th 4NCL Congress Major | Harrogate | ENG | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1743 | 1762 | 1.50 | 3 | -0.08 | 40 | -3.20 | |
|  Ashcroft, Graham J | | | 1805 | ENG | 1.00 | 1 | 0.56 | 40 | 22.40 | |  Obi, Okwose Marc | | | 1742 | ENG | 0.00 | 1 | -0.53 | 40 | -21.20 | | | Chester, Ian B | | | 1683 | ENG | 0.50 | 1 | -0.11 | 40 | -4.40 | |
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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