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Individual Calculations September 2009 |
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| Aigner, Michael Total change: -16.05 | |   |
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| 14th Annual Pacific Coast Open | Agoura Hills, California | USA | 2009-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2132 | 2240 | 1.50 | 4 | -1.07 | 15 | -16.05 | |
|  Popova, Elena | | | 2031 | RUS | 0.00 | 1 | -0.77 | 15 | -11.55 | |  Stevens, Lawrence | | | 2089 | USA | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Borgen, Richard L | | | 2128 | USA | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Porter, Ryan W | f | | 2279 | USA | 0.00 | 1 | -0.45 | 15 | -6.75 | |
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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