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Individual Calculations September 2015 |
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| Basman, Michael J Total change: -9.30 | |   |
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| 102nd British Chess Championships Weekend Open | Coventry | ENG | 2015-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1979 | 2324 | 3.50 | 5 | -0.93 | 10 | -9.30 | |
|  Edwards, Simon R | | | 1927 | ENG | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Fletcher, John | | | 2007 | WLS | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Tan, Ken Wei | | | 2019 | MAS | 0.00 | 1 | -0.86 | 10 | -8.60 | | | Head, Louise | | | 1924 * | ENG | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Archer-Lock, Christopher J | | | 2020 | ENG | 0.50 | 1 | -0.36 | 10 | -3.60 | | | * 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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