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Individual Calculations May 2011 |
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| Birkett, Richard Total change: -4.75 | |   |
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| Edinburgh Congress 2011 | Edinburgh | SCO | 2011-04-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1931 | 2107 | 2.00 | 3 | -0.19 | 25 | -4.75 | |
|  Tsang, Sai Kong | | | 1914 | SCO | 1.00 | 1 | 0.25 | 25 | 6.25 | | | Kynoch, Richard J P | | | 1918 | SCO | 0.00 | 1 | -0.75 | 25 | -18.75 | |  McKerracher, Douglas | | | 1962 | SCO | 1.00 | 1 | 0.31 | 25 | 7.75 | |
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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