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Individual Calculations January 2018 |
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| Parkhurst Casas, Miriam Total change: -5.40 | |   |
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| Campeonato Zonal Femenino Zona 2.3.2 FIDE | San Salvador | ESA | 2017-11-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1981 | 1970 | 4.00 | 8 | 0.18 | 20 | 3.60 | |
|  Perez, Damaris Nicole | c | | 1583 | ESA | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Franco Valencia, Beatriz Irene | | wg | 2220 | COL | 0.50 | 1 | 0.31 | 20 | 6.20 | |  Marrero Lopez, Yaniet | | wg | 2247 | CUB | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Rodriguez Arrieta, Maria Elena | | wm | 1984 | CRC | 1.00 | 1 | 0.52 | 20 | 10.40 | | | Miranda Llanes, Yerisbel | | wm | 2224 | CUB | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Guillen Cristobal, Sandra N | | | 1699 | MEX | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Vazquez Maccarini, Danitza | | wm | 2214 | PUR | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Palacios, Celina | | | 1677 | ESA | 1.00 | 1 | 0.15 | 20 | 3.00 | |
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) | | | | Campeontao Panemericao de Ajedrez Abierto Femenil Durango 2017 | Durango, Durango | MEX | 2017-11-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1809 | 1970 | 5.00 | 8 | -0.45 | 20 | -9.00 | |
| | Zayas Hernandez, Ana Patricia | | | 1602 | MEX | 0.00 | 1 | -0.90 | 20 | -18.00 | | | Parkhurst Casas, Andrea Ju | | | 1570 * | MEX | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Avila Fraire, Ameyalli | | wc | 1969 | MEX | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Mena Martinez, Brisa | | wc | 1758 | MEX | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Guerrero Rodriguez, Alejandra | | wm | 1984 | MEX | 0.50 | 1 | 0.02 | 20 | 0.40 | | | Real Pereyra, Diana Carime | | wm | 2166 | MEX | 1.00 | 1 | 0.75 | 20 | 15.00 | | | Mejia Granados, Paulina Is | | wc | 1740 | MEX | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Santiago Gonzalez, Frida | | wc | 1684 | MEX | 0.50 | 1 | -0.34 | 20 | -6.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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