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Individual Calculations February 2023 |
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| Stubbs, Oliver Total change: 8.80 | |   |
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| 29th 4NCL Congress Open | Harrogate | ENG | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2137 | 2036 | 2.00 | 4 | 0.44 | 20 | 8.80 | |
|  De Coverly, Roger D | | | 1951 | ENG | 1.00 | 1 | 0.38 | 20 | 7.60 | |  Jones, Steven A | | | 2160 | ENG | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Arkell, Keith C | g | | 2406 | ENG | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Longson, Sarah N | | wf | 2030 | ENG | 0.50 | 1 | -0.01 | 20 | -0.20 | |
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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