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Individual Calculations September 2009 |
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| Matlin, Anna Total change: 2.25 | |   |
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| XX Panamericano Mar del Plata U14 Fem | Mar del Plata | ARG | 2009-08-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1876 | 1866 | 1.50 | 3 | 0.09 | 25 | 2.25 | |
|  Herrera, Solange | | | 1550 | ARG | 1.00 | 1 | 0.13 | 25 | 3.25 | |  Salazar, Aura Cristina | | wf | 2049 | COL | 0.00 | 1 | -0.26 | 25 | -6.50 | | | Rodriguez Rueda, Paula Andrea | | wf | 2030 | COL | 0.50 | 1 | 0.22 | 25 | 5.50 | |
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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