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Individual Calculations April 2019 |
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| Davis, Lee Total change: 3.20 | |   |
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| Welsh Chess Premier League 2018/2019 Round 4 | Merthyr | WLS | 2019-03-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2033 | 1919 | 0.50 | 1 | 0.16 | 20 | 3.20 | |
|  May, Frank | | | 2033 | WLS | 0.50 | 1 | 0.16 | 20 | 3.20 | |
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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