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Individual Calculations December 2015 |
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| Xu, Ryan Total change: 28.80 | |   |
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| 20th Annual Northern Virginia Open | Sterling, Virginia | USA | 2015-11-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1917 | 1833 | 1.50 | 2 | 0.72 | 40 | 28.80 | |
|  Van Lear, William | | | 1924 | USA | 0.50 | 1 | 0.12 | 40 | 4.80 | |  Hulvey, David W | | | 1909 | USA | 1.00 | 1 | 0.60 | 40 | 24.00 | |
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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