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Individual Calculations September 2019 |
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| Marshall, Michael O Total change: 4.40 | |   |
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| 106th British Championships Over 65 | Torquay | ENG | 2019-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2021 | 1885 | 2.50 | 7 | 0.22 | 20 | 4.40 | |
|  Orton, Stephen La | | | 2167 | ENG | 0.50 | 1 | 0.34 | 20 | 6.80 | |  Bray, Dave J | | | 2085 | ENG | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Wager, John D | | | 2014 | ENG | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Hughes, Peter | | | 1794 | ENG | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Kelly, Ian G | | | 2000 | ENG | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Brameld, Arthur F | | | 2091 | ENG | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Myall, Ivan J | | | 1993 | ENG | 0.00 | 1 | -0.35 | 20 | -7.00 | |
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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