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Individual Calculations April 2023 |
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| Rathbone-Jones, Ifan Total change: 11.80 | |   |
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| Welsh Spring Open 2023 | Cardiff | WLS | 2023-03-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1825 | 1934 | 2.50 | 4 | -0.01 | 20 | -0.20 | |
|  Dixon, Chris | | | 1697 | WLS | 1.00 | 1 | 0.20 | 20 | 4.00 | |  Fowler, Hugo | | | 1878 | WLS | 0.50 | 1 | -0.08 | 20 | -1.60 | | | Kett, Tim | f | | 2124 | WLS | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Parri, Deio | | | 1601 | WLS | 1.00 | 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) | | | | 2022/23 4NCL Division 3 West Rounds 7-8 | Daventry | ENG | 2023-03-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1972 | 1934 | 1.50 | 2 | 0.60 | 20 | 12.00 | |
| | Slinger, Tony J | | | 1862 | ENG | 0.50 | 1 | -0.10 | 20 | -2.00 | | | James, Russell A | | | 2082 | ENG | 1.00 | 1 | 0.70 | 20 | 14.00 | |
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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