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Individual Calculations May 2015 |
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| Serna, Jeffrey M Total change: 9.60 | |   |
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| 2015 Lone Star Open | Houston, Texas | USA | 2015-03-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1966 | 1969 | 2.50 | 4 | 0.48 | 20 | 9.60 | |
|  Ynojosa Aponte, Felix | m | | 2369 * | VEN | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Xiang, Evan | | wf | 1805 | USA | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Polavaram, Rithik | | | 1569 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Han, Curran | | | 2121 | USA | 1.00 | 1 | 0.70 | 20 | 14.00 | | | * 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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