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Individual Calculations September 2021 |
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| Zhang, Cindy Total change: 75.20 | |   |
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| 26th Annual Pacific Coast Open - Under 2100 | Van Nuys, California | USA | 2021-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1700 | 1817 | 4.00 | 5 | 0.72 | 40 | 28.80 | |
|  Adkins, Rico | | | 1690 | USA | 1.00 | 1 | 0.33 | 40 | 13.20 | |  Xu, Jayden | | | 1649 | USA | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Saleem, Faraz | | | 1767 | USA | 1.00 | 1 | 0.43 | 40 | 17.20 | | | Golchin, Kevin Cyrus | | | 1707 | USA | 1.00 | 1 | 0.35 | 40 | 14.00 | | | Pulley, Stephen | | | 1689 | USA | 0.00 | 1 | -0.67 | 40 | -26.80 | |
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) | | | | 11th Annual Central California Open - Open | Fresno, California | USA | 2021-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2005 | 1817 | 2.50 | 5 | 1.16 | 40 | 46.40 | |
| | Gallegos, Jeffery Alan | | | 2024 | USA | 1.00 | 1 | 0.77 | 40 | 30.80 | | | Leano, Bryan B | | | 1928 | USA | 0.50 | 1 | 0.15 | 40 | 6.00 | | | Chen, Jonathan | | | 2157 | USA | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Ruddell, Solomon | | | 2048 | USA | 1.00 | 1 | 0.79 | 40 | 31.60 | | | Ai, Evan Zihao | | | 1869 | USA | 0.00 | 1 | -0.43 | 40 | -17.20 | |
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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