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Individual Calculations January 2016 |
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| Chen, Derek Total change: 36.00 | |   |
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| 2015 Marshall Amateur Championship - Jerry Simon Memorial | New York, New York | USA | 2015-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1939 | 1759 | 2.00 | 4 | 0.90 | 40 | 36.00 | |
|  Ruiz, Ryan | | | 2030 | USA | 1.00 | 1 | 0.83 | 40 | 33.20 | |  Tia, Rudy Jr. | | | 1982 | PNG | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Cohn, Zachary H | | | 1961 | USA | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Medina, Benjamin R | | | 1781 | USA | 1.00 | 1 | 0.53 | 40 | 21.20 | |
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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