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Individual Calculations August 2023 |
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| Yan, Ruiyang Total change: -6.20 | |   |
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| 51st annual World Open - Open | Philadelphia, PA | USA | 2023-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2036 | 2230 | 5.00 | 9 | -1.61 | 20 | -32.20 | |
|  Zhang, Andrew H | | | 1876 | USA | 0.00 | 1 | -0.89 | 20 | -17.80 | |  Hulse, Brian | f | | 1880 | USA | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Kis, Bela Lorand | | | 2011 | USA | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Bruha, Nicholas | | | 1977 | USA | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Muthukumar, Haari | | | 1983 | USA | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Lu, Maximillian | m | | 2412 | USA | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Karthik, Advaith | | | 2073 | USA | 0.00 | 1 | -0.71 | 20 | -14.20 | | | Lin, Leo Fanyue | | | 2039 | CAN | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Wongso, Steve | | | 2069 | USA | 0.50 | 1 | -0.21 | 20 | -4.20 | |
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) | | | | 2023 US Girls' Junior Championship | St. Louis, Missouri | USA | 2023-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2186 | 2206 | 6.00 | 9 | 1.30 | 20 | 26.00 | |
| | Atwell, Rose | | | 2171 | USA | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Lee, Alice | f | wm | 2393 | USA | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Tang, Zoey | f | wm | 2290 | USA | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Wu, Rochelle | f | wg | 2253 | USA | 0.50 | 1 | 0.07 | 20 | 1.40 | | | Liu, Kelsey | | | 1997 | USA | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Yip, Carissa | m | wg | 2369 | USA | 1.00 | 1 | 0.72 | 20 | 14.40 | | | Mou, Iris | | wm | 2214 | USA | 0.50 | 1 | 0.01 | 20 | 0.20 | | | Mangalam, Shreya | | wc | 1972 | USA | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Prasanna, Gracy | | wf | 2012 | USA | 1.00 | 1 | 0.25 | 20 | 5.00 | |
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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