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Individual Calculations September 2023 |
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| Potter, John M Total change: 22.00 | |   |
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| East Midlands FIDE Congress 2023 - Under 2400 | Wellingborough | ENG | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1902 | 1962 | 4.00 | 5 | 1.10 | 20 | 22.00 | |
|  Bowers, Francis J | | | 1770 | ENG | 1.00 | 1 | 0.25 | 20 | 5.00 | |  Gordon, Sean | | | 1894 | ENG | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Pollack, Oscar | | | 2091 | ENG | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Arora, Tashika | | | 1836 | ENG | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Samarasinghe Jude, Ranga | | | 1921 | SRI | 1.00 | 1 | 0.44 | 20 | 8.80 | |
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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