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Individual Calculations February 2023 |
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| De Coverly, Roger D Total change: -6.00 | |   |
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| 29th 4NCL Congress Open | Harrogate | ENG | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1980 | 1951 | 2.00 | 5 | -0.30 | 20 | -6.00 | |
|  Stubbs, Oliver | | | 2036 | ENG | 0.00 | 1 | -0.38 | 20 | -7.60 | |  Thomson, Neil | | | 1946 | SCO | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Ther, Mate | | | 1953 | ENG | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Chan, Sheng Liang Bernard | | | 1986 | MAS | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Skettos, Nicolas | | | 1979 | CYP | 0.50 | 1 | 0.04 | 20 | 0.80 | |
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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