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Individual Calculations May 2012 |
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| Koehn, Lennart Total change: 30.60 | |   |
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| Edinburgh Premier 2012 | Edinburgh | SCO | 2012-03-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1988 | 1651 | 1.50 | 4 | 1.02 | 30 | 30.60 | |
|  Will, Douglas | | | 1930 | SCO | 0.50 | 1 | 0.34 | 30 | 10.20 | |  Burnett, Walter | | | 2015 | SCO | 0.00 | 1 | -0.10 | 30 | -3.00 | | | McGregor, Lindsay A | | | 1994 | SCO | 1.00 | 1 | 0.88 | 30 | 26.40 | | | Pyrich, George D | | | 2014 | SCO | 0.00 | 1 | -0.10 | 30 | -3.00 | |
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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