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Individual Calculations February 2020 |
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| Parry, Jacques Total change: 20.20 | |   |
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| London Christmas Chess Congress Major 2019 | London | ENG | 2019-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1726 | 1607 | 2.00 | 4 | 0.59 | 20 | 11.80 | |
|  Fields, Francis E | | | 1783 | ENG | 1.00 | 1 | 0.73 | 20 | 14.60 | |  Pink, Joshua | | | 1884 | ENG | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Gatterdam, Karl Heinz | | | 1725 | CHI | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Bienvenu, Emma | | | 1510 | FRA | 0.50 | 1 | -0.13 | 20 | -2.60 | |
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) | | | | 24th 4NCL Congress Major | Harrogate | ENG | 2020-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1756 | 1616 | 2.00 | 5 | 0.42 | 20 | 8.40 | |
| | Obi, Marc On | | | 1783 | ENG | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Tarbuck, Laurence J M | | | 1713 | ENG | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Holi, Sief Al Din | | | 1728 | SUD | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Tait, Bill | | | 1710 | ENG | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Cooper, Malcolm H | | | 1847 | ENG | 0.50 | 1 | 0.29 | 20 | 5.80 | |
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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