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Individual Calculations September 2011 |
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| Roua, Radu Total change: -15.60 | |   |
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| Portland Chess Club Centennial Open | Portland, Oregon | USA | 2011-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2040 | 2256 | 2.00 | 4 | -1.04 | 15 | -15.60 | |
|  Gutman, Richard G | | | 2109 | USA | 0.00 | 1 | -0.70 | 15 | -10.50 | | | Esler, Brian John | | | 2114 | USA | 1.00 | 1 | 0.31 | 15 | 4.65 | |  Davis, Mikeal | | | 1856 * | USA | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Ummel, Igor | | | 2082 | USA | 0.00 | 1 | -0.73 | 15 | -10.95 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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