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Individual Calculations March 2013 |
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| Berry, Jim Total change: 6.60 | |   |
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| OCF 4th Thanksgiving Open | Stillwater, Oklahoma | USA | 2012-11-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1919 | 1980 | 1.00 | 3 | -0.70 | 15 | -10.50 | |
|  Horton, Stanley | | | 1702 | USA | 1.00 | 1 | 0.17 | 15 | 2.55 | |  Li, Ruifeng | c | | 2070 | USA | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Zhong, Howard | | | 1984 | USA | 0.00 | 1 | -0.49 | 15 | -7.35 | |
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) | | | | 4th Jerry Hanken FIDE Winter Open | Stillwater, Oklahoma | USA | 2013-02-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1897 | 1980 | 3.50 | 4 | 1.14 | 15 | 17.10 | |
| | Duke, Brian | | | 1635 | USA | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Veal, Joe Dean | | | 1977 | USA | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Zhong, Howard | | | 1984 | USA | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Wawrzaszek, Jason | | | 1992 | USA | 0.50 | 1 | 0.02 | 15 | 0.30 | |
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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