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Individual Calculations September 2023 |
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| Aravindakshan, Sahana Total change: -41.60 | |   |
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| July 2023 Marshall Premier | New York, NY | USA | 2023-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1877 | 1965 | 3.50 | 4 | 1.06 | 40 | 42.40 | |
|  Tripodi, Matthew | | | 1791 | USA | 0.50 | 1 | -0.23 | 40 | -9.20 | |  Grasso, David | | | 2154 | USA | 1.00 | 1 | 0.75 | 40 | 30.00 | | | Baalla, Nura | | | 1674 | USA | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Jiang, Jason | | | 1888 | USA | 1.00 | 1 | 0.39 | 40 | 15.60 | |
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) | | | | 11th Annual WIM Ruth Haring National Tournament of Girls State Champions | Grand Rapids, Michigan | USA | 2023-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1471 | 1965 | 2.50 | 5 | -2.24 | 40 | -89.60 | |
| | Escobar Lopez, Laura A | | | 1277 | MEX | 1.00 | 1 | 0.01 | 40 | 0.40 | | | Zhou, Celina | | | 1458 | USA | 0.50 | 1 | -0.46 | 40 | -18.40 | | | Ramesh, Sanjana | | | 1564 | USA | 0.00 | 1 | -0.92 | 40 | -36.80 | | | Wang, Lacey | | | 1565 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Nguyen, Chance | | wc | 1491 | USA | 0.00 | 1 | -0.95 | 40 | -38.00 | | | * 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) | | | | XXXIII Pan-American Youth Chess Festival - Under 18 Female | Chicago, IL | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1865 | 2003 | 5.50 | 8 | 0.14 | 40 | 5.60 | |
| | Ke, Rianne | | wc | 1792 | USA | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Guo, Anni | | | 1930 | CAN | 1.00 | 1 | 0.40 | 40 | 16.00 | | | Wisniowski, Natalie | | wc | 1882 | USA | 0.50 | 1 | -0.16 | 40 | -6.40 | | | Liu, Kelsey | | | 2027 | USA | 0.50 | 1 | 0.03 | 40 | 1.20 | | | Hernandez Diaz, Paula Sofia | | | 1720 | MEX | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Bian, Erin | | wf | 1957 | USA | 0.00 | 1 | -0.56 | 40 | -22.40 | | | D Souza, Carina | | | 1664 | CAN | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Matus, Nastassja | | wf | 1947 | USA | 0.50 | 1 | -0.08 | 40 | -3.20 | |
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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