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Individual Calculations July 2009 |
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| Guevara Silva, Rodger Total change: -11.50 | |   |
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| XIV Grand Prix, 3era. Parada | Guayaquil | ECU | 2009-04-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1969 | 1714 | 0.00 | 2 | -0.40 | 25 | -10.00 | |
|  Galefsky, Eduardo | | | 2064 | CHI | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Herrera Rosero, Alex | | | 1874 | ECU | 0.00 | 1 | -0.29 | 25 | -7.25 | |
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) | | | | XIV Grand Prix, 5ta. Parada | Guayaquil | ECU | 2009-06-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1987 | 1714 | 0.50 | 3 | -0.06 | 25 | -1.50 | |
| | Guerrero Fuentes, Carlos | | | 2064 | ECU | 0.50 | 1 | 0.39 | 25 | 9.75 | |  Munoz Sanchez, Jhon | | | 2064 | ECU | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Garcia, Julio | | | 1833 | ECU | 0.00 | 1 | -0.34 | 25 | -8.50 | |
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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