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Individual Calculations September 2011 |
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| Yu, Corbin Zachary Total change: -13.50 | |   |
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| Portland Chess Club Centennial Open | Portland, Oregon | USA | 2011-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2232 | 2201 | 0.50 | 3 | -0.90 | 15 | -13.50 | |
|  Orlov, Georgi | m | | 2477 | USA | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Lee, Andy C | f | | 2231 | USA | 0.00 | 1 | -0.46 | 15 | -6.90 | |  Chan, James | | | 1988 | CAN | 0.50 | 1 | -0.27 | 15 | -4.05 | |
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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