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Individual Calculations September 2011 |
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| Annetts, Ivor S Total change: 22.50 | |   |
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| British Championship - Senior | Sheffield | ENG | 2011-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1986 | 1872 | 2.50 | 5 | 0.75 | 30 | 22.50 | |
|  Doye, Peter C | | | 2019 | ENG | 0.50 | 1 | 0.20 | 30 | 6.00 | |  Dickson, George | | | 2099 | ENG | 0.50 | 1 | 0.29 | 30 | 8.70 | | | Morriss, Pete | | | 1987 | IRL | 0.00 | 1 | -0.34 | 30 | -10.20 | | | Macrae, James S | | | 1744 | SCO | 0.50 | 1 | -0.17 | 30 | -5.10 | | | Ellison, D George | | | 2081 | ENG | 1.00 | 1 | 0.77 | 30 | 23.10 | |
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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