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Individual Calculations August 2021 |
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| Hu, Alexander C Total change: 171.20 | |   |
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| 49th Annual World Open - Under 2000 | Philadelphia, Pennsylvania | USA | 2021-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1795 | 1808 | 6.50 | 8 | 2.38 | 40 | 95.20 | |
|  Paciulli, Frank | | | 1877 | USA | 1.00 | 1 | 0.60 | 40 | 24.00 | |  Chang Garcia, Daniel | | | 1797 | USA | 1.00 | 1 | 0.48 | 40 | 19.20 | | | Chen, Danni | | | 1837 | USA | 0.50 | 1 | 0.04 | 40 | 1.60 | | | Rao, Anjaneya | | | 1773 | USA | 1.00 | 1 | 0.45 | 40 | 18.00 | | | Winters, Lance A | | | 1885 | USA | 1.00 | 1 | 0.61 | 40 | 24.40 | | | Espinosa Garcia, Libaski | | | 1852 | CUB | 0.50 | 1 | 0.06 | 40 | 2.40 | | | Beck, Alec | | | 1749 | USA | 0.50 | 1 | -0.08 | 40 | -3.20 | | | Moshkevich, Elizabeth | | | 1590 | USA | 1.00 | 1 | 0.22 | 40 | 8.80 | |
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) | | | | 26th Annual Bradley Open - Major | Windsor Locks, Connecticut | USA | 2021-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2024 | 1808 | 3.00 | 5 | 1.80 | 40 | 72.00 | |
| | Taylor, Stewart Bradley | | | 1939 | USA | 1.00 | 1 | 0.68 | 40 | 27.20 | | | Griffith, Kyron W | f | | 2208 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Ramanathan, Suraj | | | 2066 | USA | 1.00 | 1 | 0.82 | 40 | 32.80 | | | Jin, Derek | | | 1880 | USA | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Ling, Evan Maxwell | | | 2025 | USA | 1.00 | 1 | 0.78 | 40 | 31.20 | | | * 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) | | | | 22nd Annual Pittsburgh Open - Major | Pittsburgh, Pennsylvania | USA | 2021-07-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2027 | 1808 | 1.00 | 4 | 0.10 | 40 | 4.00 | |
| | Zhao, Erick | c | | 2037 | USA | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Mucerino, Joseph J | | | 2002 | USA | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Allen, Zachary J | | | 2074 | USA | 0.50 | 1 | 0.32 | 40 | 12.80 | | | Yaskolko, Maxim | | | 1993 | USA | 0.00 | 1 | -0.26 | 40 | -10.40 | |
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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