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Individual Calculations February 2019 |
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| Zhao, Boyang Total change: 34.80 | |   |
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| 45th Annual Eastern Open | Tyson's Corner, Virginia | USA | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1960 | 1806 | 2.00 | 5 | 0.48 | 40 | 19.20 | |
|  Ramanathan, Suraj | | | 1932 | USA | 0.00 | 1 | -0.33 | 40 | -13.20 | |  Heller, Garrett | | | 2024 | USA | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Xu, Arthur | c | | 2060 | USA | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Norman, Dennis | | | 1809 | USA | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Siamon, David | | | 1973 | USA | 0.50 | 1 | 0.22 | 40 | 8.80 | |
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) | | | | 51st Annual Liberty Bell Open | Philadelphia, Pennsylvania | USA | 2019-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2041 | 1806 | 1.50 | 5 | 0.39 | 40 | 15.60 | |
| | Girsh, Daniel | | | 2010 | USA | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Khanna, Nalin | | | 2168 | USA | 0.50 | 1 | 0.40 | 40 | 16.00 | | | Cezila Jr, Rubens | | | 2133 | BRA | 0.50 | 1 | 0.37 | 40 | 14.80 | | | Yedidia, Daniel | | | 2029 | USA | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Hu, Merric | | | 1867 | USA | 0.00 | 1 | -0.42 | 40 | -16.80 | |
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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