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Individual Calculations May 2019 |
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| Haigh, Tony Total change: 4.60 | |   |
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| Welsh Chess Premier League 2018/2019 Round 5 | Neath | WLS | 2019-04-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1928 | 1756 | 0.50 | 1 | 0.23 | 20 | 4.60 | |
|  Waterfield, John W | | | 1928 | WLS | 0.50 | 1 | 0.23 | 20 | 4.60 | |
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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