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Individual Calculations May 2017 |
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| Bevan, Peter M Total change: -20.00 | |   |
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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 |
| 1782 | 1933 | 0.50 | 1 | -0.20 | 20 | -4.00 | |
|  Sims, Chris | | | 1782 | 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 |
| 1961 | 1933 | 1.50 | 5 | -0.80 | 20 | -16.00 | |
| | Sands, David A | | | 2103 | WLS | 0.50 | 1 | 0.22 | 20 | 4.40 | |  Ralphs, Nigel | | | 2058 | WLS | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Sivarajasingam, Shayanna | | wc | 1729 | WLS | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Morcom, Huw | | | 1925 | WLS | 0.00 | 1 | -0.51 | 20 | -10.20 | | | Rodriguez, Juan Talavera | | | 1988 | WLS | 0.00 | 1 | -0.42 | 20 | -8.40 | |
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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