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Individual Calculations September 2011 |
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| Imada, Todd Total change: -19.50 | |   |
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| Portland Chess Club Centennial Open | Portland, Oregon | USA | 2011-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2067 | 2003 | 1.00 | 4 | -0.65 | 30 | -19.50 | |
|  May, Andy P | | | 2133 | USA | 1.00 | 1 | 0.68 | 30 | 20.40 | |  Haessler, Carl A | | | 2167 | USA | 0.00 | 1 | -0.28 | 30 | -8.40 | | | Feng, Roland | | | 2019 | USA | 0.00 | 1 | -0.48 | 30 | -14.40 | | | Botez, V Alexandra | | wc | 1950 | CAN | 0.00 | 1 | -0.57 | 30 | -17.10 | |
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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