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Individual Calculations September 2021 |
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| Xie, Bryan Total change: -4.40 | |   |
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| 26th Annual Pacific Coast Open - Premier | Van Nuys, California | USA | 2021-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1993 | 2027 | 4.00 | 6 | 0.78 | 40 | 31.20 | |
|  Mahesh, Tejas | | | 1823 | USA | 1.00 | 1 | 0.24 | 40 | 9.60 | |  Oberoi, Shelev | | | 2155 | USA | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Eswaran, Aksithi | | wc | 1755 | USA | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Wang, Alex Yuxuan | | | 1954 | USA | 0.50 | 1 | -0.10 | 40 | -4.00 | | | Hakobyan, Eduard | | | 2190 | USA | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Martinez, Isaac | | | 2082 | USA | 1.00 | 1 | 0.58 | 40 | 23.20 | |
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) | | | | 2021 North American Youth Chess Championships - Open Under 14 | Chicago, Illinois | USA | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1720 | 1998 | 6.50 | 9 | -0.89 | 40 | -35.60 | |
| | Srinivas, Atharva | | | 1598 * | CAN | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Pillai, Adithya | | | 1671 | USA | 0.00 | 1 | -0.87 | 40 | -34.80 | | | Macias Zamora, Jose Armando | | | 1598 * | MEX | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Wang, Ryan R | | | 1741 | USA | 0.50 | 1 | -0.32 | 40 | -12.80 | | | Oberai, Vikram | | | 1638 | USA | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Su, Kevin | | | 1841 | USA | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Jiang, Andrew | | | 1899 | USA | 0.50 | 1 | -0.14 | 40 | -5.60 | | | He, Henry | | | 1680 | USA | 0.50 | 1 | -0.37 | 40 | -14.80 | | | Sloan, Jed | | | 1813 | USA | 1.00 | 1 | 0.26 | 40 | 10.40 | | | * 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) | | |
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