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Individual Calculations January 2020 |
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| Cheung, Ryan Total change: -75.62 | |   |
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| 50th Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2019-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1944 | 1914 | 2.00 | 5 | -0.20 | 38 | -7.60 | |
|  Liu, Aristo S | f | | 2116 | USA | 0.00 | 1 | -0.24 | 38 | -9.12 | |  Eisen, Zane | | | 1986 | USA | 1.00 | 1 | 0.60 | 38 | 22.80 | | | Treger, Yefim | | | 2001 | USA | 0.00 | 1 | -0.38 | 38 | -14.44 | | | Ni, Winston | | | 2091 | USA | 0.00 | 1 | -0.27 | 38 | -10.26 | | | Rajmohan, Vikram | | | 1525 | ENG | 1.00 | 1 | 0.09 | 38 | 3.42 | |
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) | | | | 2019 Jerry Simon Memorial - MCC Open Championship | New York, New York | USA | 2019-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1832 | 1914 | 3.00 | 7 | -1.22 | 38 | -46.36 | |
| | Gajbinkar, Ashutosh S | | | 1708 | USA | 1.00 | 1 | 0.24 | 38 | 9.12 | | | Sena, Juan | | | 1933 | DOM | 0.50 | 1 | 0.03 | 38 | 1.14 | | | Yagiz, Bora | | | 1904 | TUR | 0.00 | 1 | -0.51 | 38 | -19.38 | | | Underwood, Toshinori | | | 1961 | USA | 0.50 | 1 | 0.07 | 38 | 2.66 | | | Wang, Ellen | | wf | 1784 | USA | 0.00 | 1 | -0.68 | 38 | -25.84 | | | Colwell, Andrew | | | 1865 | USA | 0.50 | 1 | -0.07 | 38 | -2.66 | | | Hellner, Wesley | | | 1670 | USA | 0.50 | 1 | -0.30 | 38 | -11.40 | |
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) | | | | 38th Annual Empire City Open | New York, New York | USA | 2019-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1898 | 1914 | 2.50 | 6 | -0.57 | 38 | -21.66 | |
| | Morris-Suzuki, Sophie | | wf | 2013 | USA | 0.50 | 1 | 0.14 | 38 | 5.32 | | | Idnani, Taran Ritesh | c | | 1884 | USA | 0.50 | 1 | -0.04 | 38 | -1.52 | | | Ni, Winston | | | 2091 | USA | 0.00 | 1 | -0.27 | 38 | -10.26 | | | Chernin, Oliver | | | 2070 | USA | 0.50 | 1 | 0.21 | 38 | 7.98 | | | Li, Thomas | | | 1607 | USA | 0.50 | 1 | -0.36 | 38 | -13.68 | | | Prasanna, Gracy Franco | | | 1720 | USA | 0.50 | 1 | -0.25 | 38 | -9.50 | |
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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