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Individual Calculations October 2015 |
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| Cigan, Jason Total change: -19.40 | |   |
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| 2015 Oregon Open | Portland, Oregon | USA | 2015-09-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2091 | 2080 | 0.00 | 2 | -0.97 | 20 | -19.40 | |
|  Heywood, Bill | | | 2081 | USA | 0.00 | 1 | -0.50 | 20 | -10.00 | |  Kuhner, Mary | | | 2100 | USA | 0.00 | 1 | -0.47 | 20 | -9.40 | |
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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