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Individual Calculations July 2023 |
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| Yuan, Serena Total change: 2.40 | |   |
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| 32nd annual Chicago Open - U2300 Section | Wheeling, IL | USA | 2023-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1897 | 1759 | 2.00 | 7 | -0.46 | 40 | -18.40 | |
|  Reddy, Shreyas | | | 1857 | USA | 0.00 | 1 | -0.37 | 40 | -14.80 | |  Adhikari, Sunav | | | 1761 | USA | 0.00 | 1 | -0.50 | 40 | -20.00 | | | Winters, Lance A | | | 1852 | USA | 1.00 | 1 | 0.63 | 40 | 25.20 | | | Marler, Alex J | | | 2005 | USA | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Widjaja, Luke | | | 1927 | USA | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Willy, Stephen | | | 2279 | USA | 0.00 | 1 | -0.03 | 40 | -1.20 | | | Das, Ayush | | | 1596 | USA | 0.50 | 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) | | | | 2023 National Open - Under 2300 | Las Vegas, NV | USA | 2023-06-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1864 | 1769 | 2.00 | 4 | 0.52 | 40 | 20.80 | |
| | Hong, Pearson | | | 1880 | USA | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Yang, Lefan | | | 1872 | CAN | 1.00 | 1 | 0.64 | 40 | 25.60 | | | Ke, Rianne | | wc | 1838 | USA | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Wong, Andrew Yun | | | 1867 | USA | 0.50 | 1 | 0.13 | 40 | 5.20 | |
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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