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Individual Calculations September 2009 |
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| Kelley, Dereque D Total change: 6.75 | |   |
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| 110th Annual US Open | Indianapolis, Indiana | USA | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2354 | 2150 | 1.00 | 2 | 0.45 | 15 | 6.75 | |
|  Yermolinsky, Alex | g | | 2527 | USA | 0.00 | 1 | -0.09 | 15 | -1.35 | |  Yanayt, Eugene | f | | 2180 | USA | 1.00 | 1 | 0.54 | 15 | 8.10 | |
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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