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Individual Calculations May 2021 |
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| Park, Evan Total change: 3.60 | |   |
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| 2nd Colonial Open - Open | Dulles, Virginia | USA | 2021-04-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2050 | 2208 | 3.00 | 5 | -0.39 | 40 | -15.60 | |
|  Dill, James Christopher | | | 1823 | USA | 1.00 | 1 | 0.09 | 40 | 3.60 | |  Altman, Joshua A | c | | 1926 | ENG | 0.50 | 1 | -0.34 | 40 | -13.60 | | | Chiu, Isaac | | | 2195 | USA | 1.00 | 1 | 0.48 | 40 | 19.20 | | | Lee, Justin | | | 1953 | USA | 0.00 | 1 | -0.81 | 40 | -32.40 | | | Liang, Jason | f | | 2351 | USA | 0.50 | 1 | 0.19 | 40 | 7.60 | |
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) | | | | 53rd Annual Virginia Open | Dulles, Virginia | USA | 2021-04-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1997 | 2208 | 3.50 | 4 | 0.48 | 40 | 19.20 | |
| | Mathura, Max J | | | 1938 | USA | 0.50 | 1 | -0.33 | 40 | -13.20 | | | Prem, Pranav | | | 1952 | USA | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Cardwell, Guy Avery | | | 1904 | USA | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Chiu, Isaac | | | 2195 | USA | 1.00 | 1 | 0.48 | 40 | 19.20 | |
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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