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Individual Calculations July 2019 |
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| Roshu, Cassandra Total change: 34.40 | |   |
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| 16th Annual Susan Polgar Foundation Girls' Invitational | St. Louis, Missouri | USA | 2019-06-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1697 | 1551 | 2.50 | 5 | 0.86 | 40 | 34.40 | |
|  Herman, Sara | | | 1848 | USA | 0.50 | 1 | 0.35 | 40 | 14.00 | | | Hsu, Skylar | | | 1358 | USA | 1.00 | 1 | 0.25 | 40 | 10.00 | |  Velea, Sophie | | wc | 1621 | USA | 1.00 | 1 | 0.60 | 40 | 24.00 | | | Malan, Lucia | | wc | 1885 | URU | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Suralik, Diana Sophia | | | 1775 | USA | 0.00 | 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) | | |
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