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Individual Calculations July 2008 |
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| Villegas Reyes, Maria Total change: 49.75 | |   |
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| XIII Grand Prix, 2da. Parada U-2000 | Portoviejo | ECU | 2008-04-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1832 | 1678 | 0.50 | 2 | -0.10 | 25 | -2.50 | |
|  Loayza, Joshua | | | 1758 | ECU | 0.50 | 1 | 0.11 | 25 | 2.75 | | | Vallejo Turriago, Renato | | | 1905 | ECU | 0.00 | 1 | -0.21 | 25 | -5.25 | |
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) | | | | Nacional U-13 Femenino | Portoviejo | ECU | 2008-06-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1766 | 1678 | 4.00 | 5 | 2.09 | 25 | 52.25 | |
|  Herrera, Kerly | | | 1720 | ECU | 1.00 | 1 | 0.56 | 25 | 14.00 | | | Diaz Alarcon, Maria | | | 1770 | ECU | 1.00 | 1 | 0.63 | 25 | 15.75 | | | Bohorquez Canizares, Maria | | | 1702 | ECU | 1.00 | 1 | 0.53 | 25 | 13.25 | | | Sanchez, Cinthya | | | 1735 | ECU | 0.00 | 1 | -0.42 | 25 | -10.50 | | | Versosa Bravo, Karen | | | 1904 | ECU | 1.00 | 1 | 0.79 | 25 | 19.75 | |
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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