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Individual Calculations September 2011 |
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| Feng, Roland Total change: -2.70 | |   |
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| Portland Chess Club Centennial Open | Portland, Oregon | USA | 2011-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2122 | 2019 | 1.00 | 3 | -0.09 | 30 | -2.70 | |
|  Breckenridge, Steven | | | 2220 | USA | 0.00 | 1 | -0.24 | 30 | -7.20 | |  Imada, Todd | | | 2003 | USA | 1.00 | 1 | 0.48 | 30 | 14.40 | | | Heywood, Bill | | | 2144 | USA | 0.00 | 1 | -0.33 | 30 | -9.90 | |
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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