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Individual Calculations September 2012 |
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| Tidmarsh, David A Total change: -67.20 | |   |
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| British Championship: Senior 2012 | North Shields | ENG | 2012-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1924 | 2015 | 1.50 | 6 | -2.24 | 30 | -67.20 | |
|  Emerson, Roger | | | 2170 | ENG | 0.00 | 1 | -0.29 | 30 | -8.70 | |  Cresswell, Mike J | | | 1833 | ENG | 0.50 | 1 | -0.24 | 30 | -7.20 | | | Payne, Colin R | | | 1861 | ENG | 0.50 | 1 | -0.21 | 30 | -6.30 | | | Van Gemeren, Jan C | | | 1832 | ENG | 0.50 | 1 | -0.24 | 30 | -7.20 | | | Bryant, Richard B E | | | 1945 | ENG | 0.00 | 1 | -0.60 | 30 | -18.00 | | | Plater, Ron | | | 1900 | ENG | 0.00 | 1 | -0.66 | 30 | -19.80 | |
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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