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Individual Calculations September 2009 |
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| Patchell, Erik Total change: 26.50 | |   |
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| 110th Annual US Open | Indianapolis, Indiana | USA | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2260 | 2169 | 3.00 | 5 | 1.06 | 25 | 26.50 | |
|  Wright, William B | | | 2188 | USA | 0.50 | 1 | 0.03 | 25 | 0.75 | |  Bidwell, John C | | | 2258 | USA | 0.00 | 1 | -0.38 | 25 | -9.50 | | | Hortillosa, Andres | | | 2115 | USA | 1.00 | 1 | 0.42 | 25 | 10.50 | | | Fedorowicz, John P | g | | 2469 | USA | 0.50 | 1 | 0.35 | 25 | 8.75 | | | Johnstone, Glenn | f | | 2272 | CAN | 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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