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Individual Calculations July 2024 |
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| Zhou, Ivan Total change: -21.20 | |   |
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| 2024 National Open - Under 2300 | Las Vegas, Nevada | USA | 2024-06-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1922 | 1964 | 1.50 | 4 | -0.70 | 40 | -28.00 | |
|  Saravanan, Sujan | | | 1734 | USA | 0.50 | 1 | -0.29 | 40 | -11.60 | | | Gustafson, Corbin | | | 2029 | USA | 0.00 | 1 | -0.41 | 40 | -16.40 | | | Chan, Skylor T | | | 1770 | USA | 1.00 | 1 | 0.25 | 40 | 10.00 | |  Li, Rachael | | wf | 2153 | USA | 0.00 | 1 | -0.25 | 40 | -10.00 | |
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) | | | | 58th Arthur Stamer Memorial Tournament - 2000 and Over | San Francisco, CA | USA | 2024-06-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2020 | 1964 | 2.00 | 4 | 0.17 | 40 | 6.80 | |
| | Lee, Jayden David | | | 1719 | USA | 0.50 | 1 | -0.30 | 40 | -12.00 | | | Xiao, Marina | | | 1690 | USA | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Krishnan, Varun | f | | 2355 | USA | 0.50 | 1 | 0.41 | 40 | 16.40 | | | Deng, Henry | f | | 2316 | USA | 0.00 | 1 | -0.11 | 40 | -4.40 | |
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) | | |
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