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Individual Calculations September 2018 |
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| Chesters, Graham Total change: 9.20 | |   |
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| 105th British Championships Over 65 | Hull | ENG | 2018-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1903 | 1987 | 4.50 | 7 | 0.23 | 40 | 9.20 | |
|  Procter, Colin S | | | 1780 | ENG | 1.00 | 1 | 0.23 | 40 | 9.20 | |  Shephard, Chris C W | | | 2201 | ENG | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Brown, Geoffrey M | | | 1897 | ENG | 0.50 | 1 | -0.12 | 40 | -4.80 | | | Dawson, Alastair | | | 1802 | SCO | 0.50 | 1 | -0.24 | 40 | -9.60 | | | Hughes, Peter | | | 1766 | ENG | 0.50 | 1 | -0.28 | 40 | -11.20 | | | McKerracher, Douglas | | | 1897 | SCO | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Moore, Geoffrey R | | | 1980 | ENG | 1.00 | 1 | 0.49 | 40 | 19.60 | |
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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