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Individual Calculations January 2019 |
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| Ellames, Roy Total change: -27.20 | |   |
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| Preston Chess Congress 2018 | Preston | ENG | 2018-11-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1960 | 2062 | 2.50 | 5 | -0.68 | 40 | -27.20 | |
|  Leah, Tom | | | 1885 | ENG | 1.00 | 1 | 0.27 | 40 | 10.80 | |  Sumit, Kumar | | | 2183 | IND | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Niedbal, Piotr | | | 1940 | POL | 0.00 | 1 | -0.67 | 40 | -26.80 | | | Boumphrey, Luke S | | | 1948 | ENG | 0.50 | 1 | -0.16 | 40 | -6.40 | | | Dobson, Graham | | | 1846 | ENG | 1.00 | 1 | 0.22 | 40 | 8.80 | |
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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