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Individual Calculations July 2023 |
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| Foster, James C Total change: -31.40 | |   |
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| 30th 4NCL Congress Major | Daventry | ENG | 2023-06-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1702 | 1986 | 2.50 | 5 | -1.57 | 20 | -31.40 | |
|  Pyun, Lindsay | | | 1560 | ENG | 1.00 | 1 | 0.07 | 20 | 1.40 | |  Potter, Steven | | | 1738 | ENG | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Mozaffari, Mohammad H | | | 1684 | IRI | 0.50 | 1 | -0.35 | 20 | -7.00 | | | Brown, Tom | | | 1944 | ENG | 0.00 | 1 | -0.56 | 20 | -11.20 | | | Wong, Conan | | | 1586 * | SGP | 0.00 | 1 | -0.92 | 20 | -18.40 | | | * 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) | | |
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