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Individual Calculations September 2009 |
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| Tay Lasso, Karem Total change: 0.95 | |   |
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| XIV Grand Prix, 6ta. Parada "Fundacion de Guayaquil" | Guayaquil | ECU | 2009-07-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1908 | 1697 | 1.50 | 5 | 0.26 | 25 | 6.50 | |
|  Chang Suarez, Emerson | | | 2097 * | ECU | 0.00 | 1 | -0.08 | 25 | -2.00 | |  Flores, Jose | | | 1809 | ECU | 1.00 | 1 | 0.65 | 25 | 16.25 | | | Salazar Loor, Sara | | | 1960 | ECU | 0.50 | 1 | 0.32 | 25 | 8.00 | | | Leon Magallanes, Isaac | | | 1881 | ECU | 0.00 | 1 | -0.26 | 25 | -6.50 | | | Zambrano, Paolo | | | 1794 | ECU | 0.00 | 1 | -0.37 | 25 | -9.25 | | | * 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) | | | NOTE: K factor changed | | XX Panamericano Mar del Plata U14 Fem | Mar del Plata | ARG | 2009-08-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1763 | 1697 | 0.50 | 2 | -0.37 | 15 | -5.55 | |
| | Loaiza, Yurani | | | 1975 | COL | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Herrera, Solange | | | 1550 | ARG | 0.50 | 1 | -0.20 | 15 | -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) | | |
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