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Individual Calculations October 2008 |
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| Macgregor, Mike Total change: -3.60 | |   |
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| 57th Annual Oregon Open | Gresham, Oregon | USA | 2008-08-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2181 | 2224 | 2.00 | 4 | -0.24 | 15 | -3.60 | |
|  Raptis, Nick | f | | 2262 | USA | 0.50 | 1 | 0.05 | 15 | 0.75 | |  Heywood, Bill | | | 2122 | USA | 0.00 | 1 | -0.64 | 15 | -9.60 | | | Gay, Daniel | | | 2086 | USA | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Greninger, Harley | | | 2255 | USA | 0.50 | 1 | 0.04 | 15 | 0.60 | |
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) | | |
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