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Individual Calculations October 2008 |
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| May, Andy Total change: 10.95 | |   |
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| 57th Annual Oregon Open | Gresham, Oregon | USA | 2008-08-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2150 | 2110 | 2.50 | 4 | 0.73 | 15 | 10.95 | |
|  Gay, Daniel | | | 2086 | USA | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Russell, Corey | f | | 2211 | USA | 0.50 | 1 | 0.14 | 15 | 2.10 | |  Morris, Mike | | | 2181 | USA | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Heywood, Bill | | | 2122 | USA | 0.50 | 1 | 0.02 | 15 | 0.30 | |
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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