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Individual Calculations April 2023 |
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| Sun, Ethan Total change: 19.60 | |   |
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| 1000GM 2023 March BonaFIDE Swiss Open | Milpitas, CA | USA | 2023-03-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1680 | 1601 | 1.00 | 5 | -1.01 | 40 | -40.40 | |
|  Talwalkar, Vedant | | | 1706 | USA | 0.00 | 1 | -0.36 | 40 | -14.40 | |  Gopi, Umesh | | | 1642 | USA | 0.50 | 1 | 0.06 | 40 | 2.40 | | | Champsi, Imran | | | 1891 | USA | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Qiu, Laurie | | | 1572 | USA | 0.50 | 1 | -0.04 | 40 | -1.60 | | | Jin, David | | | 1591 | USA | 0.00 | 1 | -0.51 | 40 | -20.40 | |
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) | | | | 20th Wilkerson Memorial Championship - 2000 and over | San Francisco, CA | USA | 2023-03-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1725 | 1601 | 2.50 | 3 | 1.50 | 40 | 60.00 | |
| | Videna, Daniel Tuapen | | | 1670 | USA | 1.00 | 1 | 0.60 | 40 | 24.00 | | | Suarez, Sebastian | | | 1809 | USA | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Karunakaran, Kapilan | | | 1697 | USA | 1.00 | 1 | 0.63 | 40 | 25.20 | |
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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