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Individual Calculations July 2010 |
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| Clark, Ian C Total change: -4.65 | |   |
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| Four Nations Chess League (4NCL) | Various | ENG | 2009-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2025 | 2072 | 2.50 | 5 | -0.31 | 15 | -4.65 | |
|  McLaughlin, Noel S | | | 2022 | ENG | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Burke, Mitchell R | | | 1883 | ENG | 0.00 | 1 | -0.75 | 15 | -11.25 | |  Farrand, Julian T | | | 2103 | ENG | 0.50 | 1 | 0.04 | 15 | 0.60 | | | Hart, David P O | | | 2012 | ENG | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Curtis, John E | | | 2106 | ENG | 0.00 | 1 | -0.45 | 15 | -6.75 | |
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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