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Individual Calculations September 2018 |
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| Lewis, David Total change: -25.20 | |   |
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| 105th British Championships Under 2050 | Hull | ENG | 2018-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1818 | 1583 | 0.00 | 3 | -0.63 | 40 | -25.20 | |
|  Gamble, Raymond J | | | 1870 | ENG | 0.00 | 1 | -0.16 | 40 | -6.40 | |  Gartside, Carl | | | 1828 | ENG | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Holi, Sief Al Din | | | 1757 | SUD | 0.00 | 1 | -0.27 | 40 | -10.80 | |
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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