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Individual Calculations June 2022 |
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| Coathup, Roger H Total change: -16.20 | |   |
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| 2021/22 4NCL Division 1 & 2 Rounds 7-9 | Daventry | ENG | 2022-04-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2220 | 2141 | 0.50 | 3 | -0.71 | 20 | -14.20 | |
|  Kanyamarala, Tarun | f | | 2403 | IRL | 0.00 | 1 | -0.18 | 20 | -3.60 | |  Punnett, Alan K | | | 2033 | ENG | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Lewis, Andrew P | f | | 2225 | ENG | 0.00 | 1 | -0.38 | 20 | -7.60 | |
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) | | | | Durham Chess Congress 2022 - Open | Durham | ENG | 2022-05-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2021 | 2141 | 2.50 | 4 | -0.10 | 20 | -2.00 | |
| | Zhu, Yaoyao | | | 1930 | ENG | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Sullivan, Daniel | | | 1957 | ENG | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Herring, Samuel | | | 1900 | ENG | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Wall, Tim P | f | | 2296 | ENG | 0.00 | 1 | -0.29 | 20 | -5.80 | |
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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