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Individual Calculations September 2018 |
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| Cukovs, Oleg Total change: 23.20 | |   |
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| 105th British Championships Weekend Open | Hull | ENG | 2018-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1881 | 1897 | 2.50 | 4 | 0.54 | 20 | 10.80 | |
|  Gurjar, Roshan | | | 1497 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Ackley, Peter J E | | | 2016 | ENG | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Staples, Daniel J | | | 1981 | ENG | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Kilshaw, Joe | | | 2031 | ENG | 0.50 | 1 | 0.18 | 20 | 3.60 | | | * 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) | | | | 12th Leyland Chess Congress | Leyland | ENG | 2018-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1910 | 1889 | 2.50 | 4 | 0.62 | 20 | 12.40 | |
| | Han, Yichen | | | 1952 | NED | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Doherty, Paul | | | 1709 | ENG | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Clark, Robert G | | | 2010 | ENG | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Lyth, John D | | | 1970 | ENG | 0.50 | 1 | 0.11 | 20 | 2.20 | |
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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