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Individual Calculations July 2023 |
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| Ackley, Peter Je Total change: -7.80 | |   |
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| 30th 4NCL Congress Open | Daventry | ENG | 2023-06-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1853 | 1920 | 2.50 | 5 | -0.39 | 20 | -7.80 | |
|  Merriman, John | f | | 2277 | ENG | 0.00 | 1 | -0.11 | 20 | -2.20 | |  Gazis, George | | | 1855 | GRE | 0.50 | 1 | -0.09 | 20 | -1.80 | | | Pereslavtsev, Alexandr | | | 1520 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Hertog, Alexander | | | 1645 | ENG | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Jackson, Edward | | | 1966 | ENG | 0.50 | 1 | 0.06 | 20 | 1.20 | | | * 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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