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Individual Calculations May 2017 |
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| James, Dai Total change: -13.40 | |   |
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| 2017 Welsh Championships | Cardiff | WLS | 2017-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1881 | 1849 | 2.50 | 7 | -0.67 | 20 | -13.40 | |
|  Rodriguez, Juan Talavera | | | 1988 | WLS | 0.00 | 1 | -0.31 | 20 | -6.20 | |  Waterfield, John W | | | 1948 | WLS | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Fathallah, Joe | | | 1975 | WLS | 1.00 | 1 | 0.67 | 20 | 13.40 | | | Ehsandar, Peter | | | 1933 | WLS | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Sivarajasingam, Venetia | | wc | 1704 | WLS | 0.50 | 1 | -0.19 | 20 | -3.80 | | | Guha, Chirag | | | 1752 | WLS | 0.00 | 1 | -0.63 | 20 | -12.60 | | | White, Ernest M | | | 1867 | WLS | 1.00 | 1 | 0.53 | 20 | 10.60 | |
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) | | |
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