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Individual Calculations September 2018 |
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| Doran, Chris Total change: -8.20 | |   |
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| 105th British Championships Weekend Open | Hull | ENG | 2018-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1929 | 1967 | 1.00 | 4 | -1.23 | 20 | -24.60 | |
|  Villiers, Thomas | c | | 2173 | ENG | 0.00 | 1 | -0.24 | 20 | -4.80 | |  Graff, Ben | | | 1863 | ENG | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Sutton, Daniel | | | 1875 | ENG | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Collins, Jonathan | | | 1804 | ENG | 0.00 | 1 | -0.72 | 20 | -14.40 | |
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) | | | | 12th Leyland Chess Congress | Leyland | ENG | 2018-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2033 | 1967 | 3.00 | 5 | 0.82 | 20 | 16.40 | |
| | Peacock, Malcolm R | | | 2034 | ENG | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Somton, Anita | | | 1861 | ENG | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Lyth, John D | | | 1970 | ENG | 1.00 | 1 | 0.50 | 20 | 10.00 | | | Sarakauskas, Gediminas | m | | 2367 * | LTU | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Wareing, John P | | | 1933 | ENG | 1.00 | 1 | 0.45 | 20 | 9.00 | | | * 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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