Individual Calculations September 2011 |
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Bragg, David R Total change: -13.05 | | |
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Portland Chess Club Centennial Open | Portland, Oregon | USA | 2011-08-12 |
Rc | Ro | w | n | change | K | K*chg | Game |
2037 | 2204 | 2.00 | 4 | -0.87 | 15 | -13.05 | |
| Aiello, Roberto | | | 1992 | USA | 1.00 | 1 | 0.23 | 15 | 3.45 | | Chan, James | | | 1988 | CAN | 0.00 | 1 | -0.78 | 15 | -11.70 | | Heywood, Bill | | | 2144 | USA | 1.00 | 1 | 0.42 | 15 | 6.30 | | Lee, Megan | | | 2023 | USA | 0.00 | 1 | -0.74 | 15 | -11.10 | | 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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