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Individual Calculations July 2009 |
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| Macgregor, Ian Ross Total change: 21.50 | |   |
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| Edinburgh Premier | Edinburgh | SCO | 2009-04-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2074 | 1832 | 1.50 | 3 | 0.86 | 25 | 21.50 | |
|  Minnican, Alan W | | | 2106 | SCO | 0.50 | 1 | 0.33 | 25 | 8.25 | |  Tweedie, Steven | | | 2182 | SCO | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Marks, Ian A | | | 1934 | SCO | 1.00 | 1 | 0.64 | 25 | 16.00 | |
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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