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Individual Calculations June 2023 |
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| Lewis, Andrew P Total change: 5.00 | |   |
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| 2022/23 4NCL Division 3 East Rounds 9-11 | Milton Keynes | ENG | 2023-04-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1889 | 2230 | 2.50 | 3 | -0.14 | 20 | -2.80 | |
|  Elwin, Adrian G | | | 1956 | ENG | 1.00 | 1 | 0.17 | 20 | 3.40 | |  Vleeshhouwer, Douglas | | | 1881 | ENG | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Ursell, Adam R | | | 1830 * | ENG | 0.50 | 1 | -0.42 | 20 | -8.40 | | | * 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) | | | | English Seniors Championships 2023 - Over 50 | Leamington Spa | ENG | 2023-05-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2031 | 2230 | 4.00 | 5 | 0.39 | 20 | 7.80 | |
| | Gardiner, Eric D | | | 1830 * | ENG | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Hymer, Barry | | | 1898 | ENG | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Brett, Andrew R | | | 2085 | ENG | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Alldritt, Nigel R E | | | 1954 | ENG | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Arkell, Keith C | g | | 2390 | ENG | 0.50 | 1 | 0.21 | 20 | 4.20 | | | * 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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