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Individual Calculations October 2015 |
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| Berry, James E. Total change: -11.40 | |   |
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| 34th NAO FIDE Open/70th OCF Championship | Tulsa, Oklahoma | USA | 2015-09-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1892 | 1921 | 1.50 | 4 | -0.57 | 20 | -11.40 | |
|  Orton, William R | | | 2077 | USA | 1.00 | 1 | 0.71 | 20 | 14.20 | |  Easton, Jack R | | | 1921 | USA | 0.00 | 1 | -0.50 | 20 | -10.00 | | | Long, James | | | 2011 | USA | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Zeng, Sheena | | | 1560 | USA | 0.50 | 1 | -0.40 | 20 | -8.00 | |
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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