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Individual Calculations October 2021 |
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| Ledger, Andrew J Total change: -4.70 | |   |
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| 26th 4NCL Congress Open | Leamington Spa | ENG | 2021-09-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1974 | 2334 | 4.00 | 5 | -0.47 | 10 | -4.70 | |
|  Elwin, Adrian G | | | 1982 | ENG | 0.50 | 1 | -0.39 | 10 | -3.90 | |  Alizada, Eldar A | | | 1934 * | ENG | 0.50 | 1 | -0.42 | 10 | -4.20 | | | Moyse, Nigel J | | | 2024 | WLS | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Ireland, David J | | | 1947 | ENG | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Finn, Peter | | | 1981 | ENG | 1.00 | 1 | 0.11 | 10 | 1.10 | | | * 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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