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Individual Calculations August 2023 |
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| Zheng, Marcus Total change: -136.40 | |   |
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| 51st annual World Open - U2200 | Philadelphia, PA | USA | 2023-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1737 | 1840 | 2.50 | 7 | -1.91 | 40 | -76.40 | |
|  Chen, Alex | c | | 1968 | USA | 0.00 | 1 | -0.33 | 40 | -13.20 | |  Li, Justin Y | | | 1737 | USA | 0.00 | 1 | -0.64 | 40 | -25.60 | | | Kim, Tae | | | 1649 | USA | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Wang, Tianna | | | 1728 | USA | 0.00 | 1 | -0.65 | 40 | -26.00 | | | Yang, Maxwell Z | | | 1908 | USA | 0.00 | 1 | -0.41 | 40 | -16.40 | | | Xu, Shawn | | | 1602 | USA | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Kamesh, Vidyuth | | | 1567 | USA | 0.50 | 1 | -0.33 | 40 | -13.20 | |
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) | | | | 16th annual Chicago Class - Expert | Wheeling, IL | USA | 2023-07-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1816 | 1836 | 0.50 | 3 | -1.08 | 40 | -43.20 | |
| | Vadderaju, Sudeep | | | 1627 | USA | 0.00 | 1 | -0.77 | 40 | -30.80 | | | Kelley, Deshawn | | | 2035 | USA | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Meng, Joshua | | | 1787 | USA | 0.50 | 1 | -0.07 | 40 | -2.80 | |
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) | | | | 24th annual Pittsburgh Open - Major | Pittsburgh, PA | USA | 2023-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1762 | 1836 | 2.50 | 5 | -0.42 | 40 | -16.80 | |
| | Shangin, Lev | | | 1756 | USA | 0.00 | 1 | -0.61 | 40 | -24.40 | | | Chong, Hanford | | | 1505 | USA | 0.50 | 1 | -0.38 | 40 | -15.20 | | | Xu, Jayden | | | 1607 | USA | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Gu, Ethan | | | 1946 | USA | 0.50 | 1 | 0.15 | 40 | 6.00 | | | Tan, Ralph | | | 1996 | USA | 0.50 | 1 | 0.21 | 40 | 8.40 | |
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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