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Individual Calculations May 2017 |
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| Fathallah, Joe Total change: -49.80 | |   |
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| Welsh Chess Premier League 2016/17 Round 4 | Merthyr | WLS | 2017-04-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1985 | 1975 | 0.50 | 1 | 0.01 | 20 | 0.20 | |
|  Miles, Richard | | | 1985 | WLS | 0.50 | 1 | 0.01 | 20 | 0.20 | |
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) | | | | 2017 Welsh Championships | Cardiff | WLS | 2017-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1808 | 1975 | 2.50 | 7 | -2.50 | 20 | -50.00 | |
|  Sivarajasingam, Shayanna | | wc | 1729 | WLS | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Turner, Joseph David | | | 1933 | WLS | 0.00 | 1 | -0.56 | 20 | -11.20 | | | James, Dai | | | 1849 | WLS | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Camp, Imogen A L | | wc | 1823 | WLS | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Guha, Chirag | | | 1752 | WLS | 1.00 | 1 | 0.22 | 20 | 4.40 | | | White, Ernest M | | | 1867 | WLS | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Sivarajasingam, Venetia | | wc | 1704 | WLS | 0.50 | 1 | -0.33 | 20 | -6.60 | |
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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