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Individual Calculations March 2020 |
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| De Coverly, Roger D Total change: 10.60 | |   |
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| 2019/20 4NCL Div 3 South Rounds 5 - 6 | Maidenhead | ENG | 2020-02-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1968 | 1947 | 1.00 | 2 | 0.06 | 20 | 1.20 | |
|  Johnson, Derek R | | | 1951 | ENG | 1.00 | 1 | 0.51 | 20 | 10.20 | |  Hadi, Justin | | | 1985 | ENG | 0.00 | 1 | -0.45 | 20 | -9.00 | |
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) | | | | Warwickshire Open Chess Championships 2020 | Coventry | ENG | 2020-02-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1949 | 1947 | 3.00 | 5 | 0.47 | 20 | 9.40 | |
| | Hebden, Mark L | g | | 2347 * | ENG | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Chen, Daniel Xingyu | | | 1617 | ENG | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Jones, Steven A | | | 2212 | ENG | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Shearsby, Jude | | | 1660 | ENG | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Gogia, Armaan | | | 1908 | 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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