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Individual Calculations October 2015 |
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| Grabinsky, Joshua Total change: 42.40 | |   |
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| 2015 Oregon Open | Portland, Oregon | USA | 2015-09-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1995 | 1634 | 1.50 | 4 | 1.06 | 40 | 42.40 | |
|  Smail, Benedict A | | | 2034 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Rupel, David G. | | | 2021 | USA | 0.50 | 1 | 0.41 | 40 | 16.40 | | | Stern-Rodriguez, Elias A | | | 1889 | USA | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Kuhner, Mary | | | 2034 * | USA | 1.00 | 1 | 0.92 | 40 | 36.80 | | | * 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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