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Individual Calculations September 2009 |
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| Rogers, Bradley K Total change: 3.00 | |   |
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| 110th Annual US Open | Indianapolis, Indiana | USA | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2129 | 2101 | 1.50 | 3 | 0.12 | 25 | 3.00 | |
|  Parry, Matt J | | | 2219 | USA | 0.50 | 1 | 0.16 | 25 | 4.00 | |  Wu, Darren P | | | 2062 | USA | 1.00 | 1 | 0.45 | 25 | 11.25 | | | Magness, Trevor S | | | 2105 | USA | 0.00 | 1 | -0.49 | 25 | -12.25 | |
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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