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Individual Calculations September 2015 |
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| Deswarte, Ian Total change: 7.80 | |   |
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| 102nd British Chess Championships Weekend Open | Coventry | ENG | 2015-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2023 | 1793 | 1.50 | 5 | 0.39 | 20 | 7.80 | |
|  Wells, Jonathan C | | | 1994 | ENG | 1.00 | 1 | 0.76 | 20 | 15.20 | |  Crocker, Philip J | | | 2193 * | ENG | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Doran, Chris | | | 1976 | ENG | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Ackley, Peter J E | | | 2026 | ENG | 0.50 | 1 | 0.29 | 20 | 5.80 | | | Abbott, Mark V | | | 1926 | ENG | 0.00 | 1 | -0.32 | 20 | -6.40 | | | * 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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