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Individual Calculations May 2021 |
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| Johnson, Donald Total change: -5.20 | |   |
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| 2nd Colonial Open - Open | Dulles, Virginia | USA | 2021-04-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1961 | 1995 | 2.00 | 5 | -0.80 | 40 | -32.00 | |
|  Liang, Jason | f | | 2351 | USA | 0.00 | 1 | -0.11 | 40 | -4.40 | |  Su, Kevin | | | 1820 | USA | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Lee, Justin | | | 1953 | USA | 0.00 | 1 | -0.56 | 40 | -22.40 | | | Tunc, Skyler | | | 1779 | USA | 0.50 | 1 | -0.28 | 40 | -11.20 | | | Cardwell, Guy | | | 1904 | USA | 0.50 | 1 | -0.12 | 40 | -4.80 | |
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) | | | | 1st Charlotte 2000 Plus Championship | Charlotte, North Carolina | USA | 2021-04-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2090 | 1995 | 3.00 | 6 | 0.67 | 40 | 26.80 | |
| | Yanayt, Eugene | f | | 2079 | USA | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Peatman, Carter | | | 1963 | USA | 1.00 | 1 | 0.46 | 40 | 18.40 | | | Moon, Benjamin | f | | 2252 | USA | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Biernacki, Mark | | | 1912 | USA | 1.00 | 1 | 0.39 | 40 | 15.60 | | | Zaloznyy, Mike | | | 1996 | USA | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Wang, Tianqi | | | 2335 | USA | 0.00 | 1 | -0.12 | 40 | -4.80 | |
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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