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Individual Calculations September 2011 |
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| Davis, Mikeal Total change: -2.10 | |   |
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| Portland Chess Club Centennial Open | Portland, Oregon | USA | 2011-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2105 | 1784 | 0.50 | 4 | -0.07 | 30 | -2.10 | |
|  Breckenridge, Steven | | | 2184 * | USA | 0.50 | 1 | 0.42 | 30 | 12.60 | |  Bartron, Paul | f | | 2100 | USA | 0.00 | 1 | -0.13 | 30 | -3.90 | | | Roua, Radu | | | 2184 * | ROU | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Botez, V Alexandra | | wc | 1950 | CAN | 0.00 | 1 | -0.28 | 30 | -8.40 | | | * 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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