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Individual Calculations August 2023 |
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| Wu, Rochelle Total change: -78.80 | |   |
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| 51st annual World Open - Open | Philadelphia, PA | USA | 2023-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1992 | 2306 | 2.50 | 6 | -2.66 | 20 | -53.20 | |
|  Bhandari, Krish | | | 1921 | USA | 1.00 | 1 | 0.09 | 20 | 1.80 | |  Nanugonda, Vishva | | | 1924 | USA | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Cooke, Eric | | | 2016 | USA | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Winslow, Elliott Charles | m | | 2025 | USA | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Lin, Leo Fanyue | | | 2039 | CAN | 0.00 | 1 | -0.82 | 20 | -16.40 | | | Nandhakumar, Vaseegaran | | | 2026 | USA | 0.00 | 1 | -0.84 | 20 | -16.80 | |
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) | | | | 2023 US Girls' Junior Championship | St. Louis, Missouri | USA | 2023-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2180 | 2253 | 4.00 | 9 | -1.28 | 20 | -25.60 | |
| | Mou, Iris | | wm | 2214 | USA | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Mangalam, Shreya | | wc | 1972 | USA | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Prasanna, Gracy | | wf | 2012 | USA | 0.50 | 1 | -0.30 | 20 | -6.00 | | | Yan, Ruiyang | f | wc | 2206 | USA | 0.50 | 1 | -0.07 | 20 | -1.40 | | | Lee, Alice | f | wm | 2393 | USA | 0.50 | 1 | 0.19 | 20 | 3.80 | | | Tang, Zoey | f | wm | 2290 | USA | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Atwell, Rose | | | 2171 | USA | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Liu, Kelsey | | | 1997 | USA | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Yip, Carissa | m | wg | 2369 | USA | 0.00 | 1 | -0.34 | 20 | -6.80 | |
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) | | |
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