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Individual Calculations July 2023 |
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| Xia, Joshua Total change: 41.20 | |   |
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| 2023 1000GM Memorial Day Open | Sunnyvale, CA | USA | 2023-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1875 | 1841 | 4.00 | 7 | 0.83 | 40 | 33.20 | |
|  Pullela, Sricharan | | | 2008 | USA | 0.00 | 1 | -0.28 | 40 | -11.20 | |  Zhou, Ruoyu | | | 1874 | USA | 0.50 | 1 | 0.05 | 40 | 2.00 | | | Qin, Vincent | | | 1859 | USA | 0.50 | 1 | 0.03 | 40 | 1.20 | | | Sun, Kevin | | | 1700 | USA | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Aigner, Michael | | | 1966 | USA | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Hao, Max | | | 1850 | USA | 1.00 | 1 | 0.51 | 40 | 20.40 | | | Wong, Andrew Yun | | | 1867 | USA | 1.00 | 1 | 0.54 | 40 | 21.60 | |
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) | | | | 2023 National Open - Under 2300 | Las Vegas, NV | USA | 2023-06-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1949 | 1849 | 2.50 | 6 | 0.20 | 40 | 8.00 | |
| | Barash, Anton | | | 2050 | USA | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Chamberlain, Ethan J | | | 2012 | USA | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Villanueva, Hugo | | | 2205 | PHI | 0.50 | 1 | 0.39 | 40 | 15.60 | | | Vela, Norberto | | | 2084 | MEX | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Song, Scott | | | 1714 | USA | 0.00 | 1 | -0.68 | 40 | -27.20 | | | Zhou, Ivan | | | 1628 | USA | 1.00 | 1 | 0.22 | 40 | 8.80 | |
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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