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Individual Calculations July 2009 |
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| Marks, Ian A Total change: -29.40 | |   |
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| Edinburgh Premier | Edinburgh | SCO | 2009-04-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2020 | 1934 | 0.00 | 4 | -1.62 | 15 | -24.30 | |
|  Brechin, Hugh R | | | 1999 | SCO | 0.00 | 1 | -0.41 | 15 | -6.15 | |  Berry, Neil M | f | | 2284 | SCO | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Hogg, Stephen W | | | 1965 | SCO | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Macgregor, Ian Ross | | | 1832 | SCO | 0.00 | 1 | -0.64 | 15 | -9.60 | |
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) | | | | East of Scotland Championship | Grangemouth | SCO | 2009-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1971 | 1934 | 1.50 | 4 | -0.34 | 15 | -5.10 | |
| | Grant, Alan G | | | 2209 | SCO | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Mason, Ian C | | | 1888 | SCO | 0.00 | 1 | -0.56 | 15 | -8.40 | | | McBride, John | | | 1803 | SCO | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Hamilton, Graham M | | | 1985 | ENG | 1.00 | 1 | 0.57 | 15 | 8.55 | |
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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