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Individual Calculations July 2023 |
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| Zhou, Ivan Total change: -5.20 | |   |
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| 2023 1000GM Memorial Day Open - Expert | Sunnyvale, CA | USA | 2023-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1772 | 1615 | 1.50 | 6 | -0.45 | 40 | -18.00 | |
|  Yao, Hanchi | | | 1743 | USA | 0.00 | 1 | -0.33 | 40 | -13.20 | |  Krishnan, Saatvik | | | 1859 | USA | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Smith, Olivia | | wf | 2085 | WLS | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Patil, Yashas | | | 1640 | USA | 0.50 | 1 | 0.03 | 40 | 1.20 | | | Videna, Daniel Tuapen | | | 1659 | USA | 0.50 | 1 | 0.06 | 40 | 2.40 | | | Cui, Young | | | 1643 | USA | 0.00 | 1 | -0.46 | 40 | -18.40 | |
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) | | | | 22nd Addison Memorial Championship - 2000 and over | San Francisco, CA | USA | 2023-06-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1698 | 1628 | 2.00 | 4 | 0.37 | 40 | 14.80 | |
| | Weng, Nicholas Ruogu | | | 1745 | USA | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Sawhney, Yuvraj Singh | | | 1600 | USA | 1.00 | 1 | 0.46 | 40 | 18.40 | | | Lin, Daniel | | | 1781 | USA | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Patil, Yashas | | | 1664 | USA | 0.50 | 1 | 0.05 | 40 | 2.00 | |
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) | | | | 2023 National Open - Under 2300 | Las Vegas, NV | USA | 2023-06-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1726 | 1628 | 1.50 | 4 | -0.05 | 40 | -2.00 | |
| | Doyle, Bryon | | | 1930 | USA | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Indukuri, Suhas Varma | | | 1473 | USA | 0.50 | 1 | -0.21 | 40 | -8.40 | | | Chan, Skylor T | | | 1652 | USA | 1.00 | 1 | 0.53 | 40 | 21.20 | | | Xia, Joshua | | | 1849 | USA | 0.00 | 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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