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Individual Calculations September 2011 |
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| Jahnke, Gregg A Total change: 8.70 | |   |
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| 112th Annual US Open | Orlando, Florida | USA | 2011-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1899 | 1790 | 1.00 | 2 | 0.29 | 30 | 8.70 | |
|  Webb, Mike K | | | 1966 | USA | 1.00 | 1 | 0.73 | 30 | 21.90 | |  Perez, Samuel | | | 1832 | USA | 0.00 | 1 | -0.44 | 30 | -13.20 | |
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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