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Individual Calculations December 2015 |
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| Yang, Qindong Total change: 23.00 | |   |
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| 20th Annual Northern Virginia Open | Sterling, Virginia | USA | 2015-11-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1960 | 1924 | 2.50 | 3 | 1.15 | 20 | 23.00 | |
|  Siamon, David | | | 1938 | USA | 1.00 | 1 | 0.52 | 20 | 10.40 | |  Sinha, Sahil | | | 2027 | USA | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Stone, George W | | | 1914 | USA | 1.00 | 1 | 0.49 | 20 | 9.80 | |
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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