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Individual Calculations September 2021 |
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| Hua, Charles Total change: -22.80 | |   |
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| 4th Annual Peter Henner Memorial - Major | Albany, New York | USA | 2021-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2002 | 1958 | 1.50 | 2 | 0.61 | 40 | 24.40 | |
|  Calderon, Zachary | | | 2147 | USA | 1.00 | 1 | 0.75 | 40 | 30.00 | | | Bhatia, Aadit | | | 1857 | IND | 0.50 | 1 | -0.14 | 40 | -5.60 | |
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) | | | | 53rd Annual Atlantic Open - Major | Reston, Virginia | USA | 2021-08-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1866 | 1975 | 2.00 | 5 | -1.18 | 40 | -47.20 | |
| | Gaw, Chloe | | | 1685 | USA | 0.50 | 1 | -0.34 | 40 | -13.60 | |  Feng, Andrew T | | | 1575 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Shahaliyev, Ismayil | m | | 2375 * | AZE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Shundi, Matias | | | 1897 | USA | 0.50 | 1 | -0.11 | 40 | -4.40 | | | Tay, Brian | | | 1800 | USA | 0.00 | 1 | -0.73 | 40 | -29.20 | | | * 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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