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Individual Calculations June 2018 |
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| Buttell, David Total change: -8.00 | |   |
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| 2017/18 4NCL Division 2 Rounds 9-11 | Telford | ENG | 2018-05-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1841 | 1766 | 0.50 | 1 | 0.10 | 20 | 2.00 | |
|  Smith, Lynda | | wc | 1841 | WLS | 0.50 | 1 | 0.10 | 20 | 2.00 | |
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) | | | | Welsh Chess Premier League 2017/18 Round 5 | Merthyr Tydfil | WLS | 2018-05-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1769 | 1766 | 0.00 | 1 | -0.50 | 20 | -10.00 | |
|  Sims, Chris | | | 1769 | WLS | 0.00 | 1 | -0.50 | 20 | -10.00 | |
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) | | |
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