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Individual Calculations September 2015 |
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| Tapp, Ashley Total change: 7.20 | |   |
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| 2015 Susan Polgar Foundation Girls Invitational | Webster Groves, Missouri | USA | 2015-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1694 | 1625 | 1.00 | 2 | 0.18 | 40 | 7.20 | |
|  Show, Serafina | | | 1641 | USA | 1.00 | 1 | 0.52 | 40 | 20.80 | |  Aripova, Nazima | | | 1746 | UZB | 0.00 | 1 | -0.34 | 40 | -13.60 | |
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) | | |
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