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Individual Calculations August 2021 |
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| Xu, Arthur Total change: -74.90 | |   |
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| 14th Annual Philadelphia International - Premier | Philadelphia, Pennsylvania | USA | 2021-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2065 | 2106 | 1.50 | 7 | -2.34 | 35 | -81.90 | |
|  Sheng, Joshua | m | | 2453 | USA | 0.00 | 1 | -0.11 | 35 | -3.85 | |  Kumar, Nikhil | f | | 2305 | USA | 0.00 | 1 | -0.24 | 35 | -8.40 | | | Johnson, Donald | | | 1966 | USA | 0.00 | 1 | -0.69 | 35 | -24.15 | | | Lu, Jason | | | 2048 | USA | 0.50 | 1 | -0.08 | 35 | -2.80 | | | Yagiz, Bora | | | 1877 | TUR | 0.50 | 1 | -0.29 | 35 | -10.15 | | | Liu, Eric Chang | | | 1706 * | USA | 0.50 | 1 | -0.42 | 35 | -14.70 | | | Yanayt, Eugene | f | | 2102 | USA | 0.00 | 1 | -0.51 | 35 | -17.85 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 49th Annual World Open - Open | Philadelphia, Pennsylvania | USA | 2021-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2043 | 2059 | 3.50 | 8 | -0.76 | 35 | -26.60 | |
| | Tiglon, Bryce | m | | 2374 | USA | 0.00 | 1 | -0.14 | 35 | -4.90 | | | Yoo, Christopher Woojin | m | | 2459 * | USA | 0.00 | 1 | -0.08 | 35 | -2.80 | | | Taylor, Stewart Bradley | | | 1939 | USA | 1.00 | 1 | 0.34 | 35 | 11.90 | | | Tsay, Vincentr | f | | 2271 | USA | 0.00 | 1 | -0.23 | 35 | -8.05 | | | Adewumi, Tanitoluwa | | | 1844 | USA | 0.00 | 1 | -0.77 | 35 | -26.95 | | | Gardezi, Arsal | | | 1795 | USA | 1.00 | 1 | 0.18 | 35 | 6.30 | | | Ho, Cooper | | | 1739 | USA | 0.50 | 1 | -0.37 | 35 | -12.95 | | | Gulecyuz, Deniz Alp | | | 1921 | USA | 1.00 | 1 | 0.31 | 35 | 10.85 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 Annual Pittsburgh Open - Major | Pittsburgh, Pennsylvania | USA | 2021-07-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2138 | 2059 | 3.00 | 5 | 0.96 | 35 | 33.60 | |
| | Narasimhan, Narkeeran | | | 1924 | USA | 1.00 | 1 | 0.32 | 35 | 11.20 | | | Jayaraman, Arvind | f | | 2127 | IND | 1.00 | 1 | 0.59 | 35 | 20.65 | | | Heimann, Mark | f | | 2396 | USA | 0.00 | 1 | -0.12 | 35 | -4.20 | | | Baker, Vincent Jingwei | | | 2162 | USA | 0.50 | 1 | 0.14 | 35 | 4.90 | | | Hu, Merric | | | 2080 | USA | 0.50 | 1 | 0.03 | 35 | 1.05 | |
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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