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Individual Calculations September 2023 |
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| Jiang, Andrew Total change: -42.40 | |   |
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| 2023 Houston Chess Festival - Open | Houston, TX | USA | 2023-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1834 | 2170 | 4.00 | 5 | -0.32 | 40 | -12.80 | |
|  Sherman, Evan | | | 1770 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Bist, Atharva | | | 1735 | USA | 0.50 | 1 | -0.44 | 40 | -17.60 | | | Hawthorn, Charles | | | 1751 | USA | 1.00 | 1 | 0.07 | 40 | 2.80 | | | Zhang, Andrew H | | | 1876 | USA | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Li, Rachael | | wc | 2037 | USA | 0.50 | 1 | -0.18 | 40 | -7.20 | | | * 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) | | | | 13th Annual Barber National Tournament of Middle School State Champions | Grand Rapids, Michigan | USA | 2023-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1942 | 2170 | 4.00 | 6 | -0.46 | 40 | -18.40 | |
| | Panda, Aaradhya | | | 1770 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Nair, Advait | | | 1837 | USA | 0.50 | 1 | -0.38 | 40 | -15.20 | | | Kodihalli, Kaustubh | | | 1708 | USA | 1.00 | 1 | 0.05 | 40 | 2.00 | | | Hardaway, Brewington | f | | 2361 | USA | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Ren, Jesse | | | 2075 | USA | 0.50 | 1 | -0.13 | 40 | -5.20 | | | Liang, Ethan Y | | | 1898 | USA | 1.00 | 1 | 0.17 | 40 | 6.80 | | | * 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) | | | | Reverse Angle 123 | Charlotte, NC | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1954 | 2184 | 2.00 | 3 | -0.28 | 40 | -11.20 | |
| | Alappatt, Steve | | | 1868 | USA | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Pendse, Vihaan | | | 1820 | USA | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Johnson, Donald | f | | 2175 | USA | 0.00 | 1 | -0.51 | 40 | -20.40 | |
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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