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Individual Calculations November 2017 |
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| Chen, Alex Total change: 119.60 | |   |
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| 44th Annual Lipkin-Pfefferkorn Open | Winston-Salem, North Carolina | USA | 2017-09-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1991 | 1775 | 2.00 | 3 | 1.21 | 40 | 48.40 | |
|  Dill, James | | | 1733 | USA | 1.00 | 1 | 0.44 | 40 | 17.60 | |  Carter, Emmanuel | | | 2066 | USA | 0.50 | 1 | 0.35 | 40 | 14.00 | | | Moradiabadi, Elshan | g | | 2175 * | USA | 0.50 | 1 | 0.42 | 40 | 16.80 | | | * 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) | | | | 21st Annual Eastern Chess Congress | Princeton, New Jersey | USA | 2017-10-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2089 | 1775 | 2.50 | 5 | 1.78 | 40 | 71.20 | |
| | Martinez, Isaac | | | 2175 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Yedidia, Daniel | | | 2067 | USA | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Busygin, Stanislav | | | 2175 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Samadashvili, Martha | | wf | 1979 | USA | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Zhang, Alan | | | 2048 | USA | 1.00 | 1 | 0.83 | 40 | 33.20 | | | * 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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