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Individual Calculations June 2023 |
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| Byron, Alan M Total change: -49.40 | |   |
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| 2022/23 4NCL Division 2 Rounds 9-11 | Milton Keynes | ENG | 2023-04-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2164 | 2181 | 1.00 | 3 | -0.57 | 20 | -11.40 | |
|  Nicholas, Koichi B | | | 2114 | ENG | 0.00 | 1 | -0.59 | 20 | -11.80 | |  Powierski, Emil | | | 2282 | GER | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Dargan, Paul A G | c | | 2095 | ENG | 1.00 | 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) | | | | English Seniors Championships 2023 - Over 50 | Leamington Spa | ENG | 2023-05-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1902 | 2181 | 3.00 | 6 | -1.90 | 20 | -38.00 | |
| | Donnelly, Andrew J | | | 1781 * | ENG | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Betts, Richard | | | 1752 | ENG | 1.00 | 1 | 0.07 | 20 | 1.40 | | | Hymer, Barry | | | 1898 | ENG | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Alldritt, Nigel R E | | | 1954 | ENG | 0.00 | 1 | -0.79 | 20 | -15.80 | | | Henderson, David | | | 2116 | ENG | 0.50 | 1 | -0.09 | 20 | -1.80 | | | Ireland, David J | | | 1911 | ENG | 0.50 | 1 | -0.33 | 20 | -6.60 | | | * 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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