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Individual Calculations December 2019 |
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| Rathbone-Jones, Ifan Total change: -28.40 | |   |
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| 2019/20 4NCL Div 4 Rounds 1 - 2 | Maidenhead | ENG | 2019-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1725 | 1958 | 1.00 | 2 | -0.57 | 40 | -22.80 | |
|  Shearsby, Jude | | | 1671 | ENG | 1.00 | 1 | 0.16 | 40 | 6.40 | |  Smith, Steve | | | 1779 | WLS | 0.00 | 1 | -0.73 | 40 | -29.20 | |
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) | | | | Preston Chess Congress 2019 | Preston | ENG | 2019-11-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1930 | 1958 | 2.00 | 4 | -0.14 | 40 | -5.60 | |
| | Moreby, James | | | 2165 | ENG | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Giles, Yasmin | | | 1869 | ENG | 0.00 | 1 | -0.62 | 40 | -24.80 | | | Lyth, John D | | | 1958 | ENG | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Doherty, Paul | | | 1727 | ENG | 1.00 | 1 | 0.21 | 40 | 8.40 | |
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) | | |
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