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Individual Calculations September 2023 |
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| Jaszkiwskyj, Peter Total change: 5.80 | |   |
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| Manchester Summer Chess Congress August 2023 | Bolton | ENG | 2023-08-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1931 | 1865 | 2.00 | 4 | 0.29 | 20 | 5.80 | |
|  James, Russell A | | | 1980 | ENG | 0.50 | 1 | 0.16 | 20 | 3.20 | |  Macklin, Paul | f | | 2321 | ENG | 0.00 | 1 | -0.06 | 20 | -1.20 | | | Mulleady, Peter J | | | 1935 | ENG | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Llewellyn, Alan M | | | 1489 | WLS | 1.00 | 1 | 0.09 | 20 | 1.80 | |
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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