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Individual Calculations May 2017 |
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| Davis, Lee Total change: 4.00 | |   |
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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 |
| 2085 | 1933 | 0.50 | 1 | 0.20 | 20 | 4.00 | |
|  Heap, Gerry | | | 2085 | WLS | 0.50 | 1 | 0.20 | 20 | 4.00 | |
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 |
| 1932 | 1933 | 3.50 | 7 | 0.00 | 20 | 0.00 | |
| | Jameson, David | | | 2098 | WLS | 0.00 | 1 | -0.28 | 20 | -5.60 | |  Camp, Imogen A L | | wc | 1823 | WLS | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Sivarajasingam, Venetia | | wc | 1704 | WLS | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Van Kemenade, Rudy | | | 1914 | WLS | 0.50 | 1 | -0.03 | 20 | -0.60 | | | Bullen, Alex | | | 2105 | WLS | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Taylor, Robert Graham | | | 1932 | WLS | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Waterfield, John W | | | 1948 | WLS | 0.00 | 1 | -0.48 | 20 | -9.60 | |
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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