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Individual Calculations April 2008 |
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| Herrera Rosero, Alex Total change: -34.50 | |   |
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| XII Grand Prix, 4ta. Parada U-2200 | Tulcan | ECU | 2007-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1931 | 1927 | 0.50 | 3 | -0.99 | 25 | -24.75 | |
|  Quishpe, Andres | | | 2090 | ECU | 0.00 | 1 | -0.28 | 25 | -7.00 | |  Sanchez, John | | | 1813 | ECU | 0.00 | 1 | -0.66 | 25 | -16.50 | | | Gordillo, Paul | | | 1889 | ECU | 0.50 | 1 | -0.05 | 25 | -1.25 | |
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) | | | NOTE: K factor changed | | XII Grand Prix, 10ma. Parada U-2000 | Guayaquil | ECU | 2007-10-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1660 | 1927 | 1.00 | 2 | -0.65 | 15 | -9.75 | |
| | Moncada Russo, Bryan | | | 1643 | ECU | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Ladines Flores, Gabriela | | | 1677 | ECU | 0.00 | 1 | -0.81 | 15 | -12.15 | |
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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