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Individual Calculations May 2018 |
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| Heap, Gerry Total change: 12.40 | |   |
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| 2018 Welsh Championships | Cardiff | WLS | 2018-03-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2019 | 2080 | 5.00 | 7 | 0.98 | 20 | 19.60 | |
|  Hughes, Anthony | c | | 1925 | WLS | 1.00 | 1 | 0.29 | 20 | 5.80 | |  Musson, Adam J | | | 2050 | WLS | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Kett, Tim | | | 2231 | WLS | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Rayner, Francis | | | 2073 | WLS | 0.00 | 1 | -0.51 | 20 | -10.20 | | | Pleasants, Allan J | | | 2114 | WLS | 0.50 | 1 | 0.05 | 20 | 1.00 | | | Sivarajasingam, Venetia | | wc | 1764 | WLS | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Van Kemenade, Rudy | | | 1979 | WLS | 1.00 | 1 | 0.36 | 20 | 7.20 | |
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) | | | | Welsh Chess Premier League 2017/18 Round 4 | Neath | WLS | 2018-04-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1773 | 2080 | 0.50 | 1 | -0.36 | 20 | -7.20 | |
| | Sivarajasingam, Shayanna | | wc | 1773 | WLS | 0.50 | 1 | -0.36 | 20 | -7.20 | |
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) | | |
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