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Individual Calculations February 2019 |
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| Zhang, Samuel Total change: 51.60 | |   |
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| 51st Annual Liberty Bell Open | Philadelphia, Pennsylvania | USA | 2019-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2020 | 1850 | 3.00 | 6 | 1.29 | 40 | 51.60 | |
|  Treger, Yefim | | | 2082 | USA | 1.00 | 1 | 0.79 | 40 | 31.60 | |  Huston, Gus | | | 2149 | USA | 0.50 | 1 | 0.35 | 40 | 14.00 | | | Kis, Lorand | | | 2018 | USA | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Luo, Terry | | | 1968 | USA | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Rama, Tejas | | | 1917 | USA | 0.50 | 1 | 0.09 | 40 | 3.60 | | | Luo, Ryan | | | 1986 | USA | 0.50 | 1 | 0.18 | 40 | 7.20 | |
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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