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Individual Calculations September 2018 |
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| McMahon, Paul Total change: -18.20 | |   |
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| 105th British Championships Over 50 | Hull | ENG | 2018-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1854 | 1911 | 2.50 | 6 | -0.91 | 20 | -18.20 | |
|  Chapman, Terry P D | f | | 2200 | ENG | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Gostelow, David W | | | 1918 | ENG | 0.00 | 1 | -0.49 | 20 | -9.80 | |  Couchman, Andrew | | | 1511 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Stephenson, David W | | | 1817 | ENG | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Towers, Nigel S | | | 1834 | ENG | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Kenning, Paul H | | | 1841 | ENG | 0.00 | 1 | -0.60 | 20 | -12.00 | | | * 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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