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Individual Calculations January 2009 |
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| Beltran Medina, Jorge Total change: 13.65 | |   |
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| 44th Annual American Open | Los Angeles, California | USA | 2008-11-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2178 | 1992 | 2.50 | 6 | 0.91 | 15 | 13.65 | |
|  Casella, Michael | f | | 2290 | USA | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Higgins, Sean K | | | 2178 | USA | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Faber, Craig Allen | | | 2161 | USA | 0.50 | 1 | 0.22 | 15 | 3.30 | |  He, Tianyi | | | 2094 | USA | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Small, Gregg H | | | 2240 | USA | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Akopian, Robert | | | 2105 | USA | 0.50 | 1 | 0.15 | 15 | 2.25 | |
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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