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Individual Calculations June 2023 |
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| Myall, Ivan J Total change: 20.20 | |   |
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| English Seniors Championships 2023 - Over 65 | Leamington Spa | ENG | 2023-05-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1967 | 1924 | 4.00 | 7 | 1.01 | 20 | 20.20 | |
|  Morris, Nigel W | | | 1524 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Snape, Ian L | | | 2096 | ENG | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Bowmer, Kevin | | | 2093 | ENG | 0.50 | 1 | 0.22 | 20 | 4.40 | | | Bray, David | | | 1989 | ENG | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Tucker, David S | | | 1909 | ENG | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Clark, Robert G | | | 2080 | ENG | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Raynes, Paul | | | 2077 | ENG | 0.00 | 1 | -0.30 | 20 | -6.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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