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Individual Calculations May 2017 |
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| Heaven, Peter Total change: 1.20 | |   |
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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 |
| 1914 | 2022 | 0.00 | 1 | -0.65 | 20 | -13.00 | |
|  Van Kemenade, Rudy | | | 1914 | WLS | 0.00 | 1 | -0.65 | 20 | -13.00 | |
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 |
| 1987 | 2022 | 4.50 | 7 | 0.71 | 20 | 14.20 | |
|  Van Kemenade, Rudy | | | 1914 | WLS | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Sivarajasingam, Venetia | | wc | 1704 | WLS | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Thomas, Ben | | | 1936 | WLS | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Sands, David A | | | 2103 | WLS | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Jameson, David | | | 2098 | WLS | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Kett, Tim | | | 2220 | WLS | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Ehsandar, Peter | | | 1933 | WLS | 0.50 | 1 | -0.12 | 20 | -2.40 | |
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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