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Individual Calculations July 2009 |
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| Gualpa, Galo Total change: 2.50 | |   |
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| XIV Grand Prix, 3era. Parada | Guayaquil | ECU | 2009-04-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1797 | 1819 | 3.00 | 5 | 0.35 | 25 | 8.75 | |
|  Galefsky, Eduardo | | | 2123 | CHI | 0.00 | 1 | -0.14 | 25 | -3.50 | |  Llamuca, Henry | | | 1469 | ECU | 1.00 | 1 | 0.11 | 25 | 2.75 | | | Angamarca Angamarca, Carlos | | | 2099 | ECU | 0.00 | 1 | -0.16 | 25 | -4.00 | | | Leon, Lady | | | 1621 | ECU | 1.00 | 1 | 0.24 | 25 | 6.00 | | | Calderon, Pablo | | | 1673 | ECU | 1.00 | 1 | 0.30 | 25 | 7.50 | |
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) | | | | XIV Grand Prix, 4ta. Parada | Coca | ECU | 2009-05-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2054 | 1819 | 0.50 | 3 | -0.14 | 25 | -3.50 | |
| | Chiluisa Fuertes, Mario | | | 2041 | ECU | 0.00 | 1 | -0.22 | 25 | -5.50 | | | Guerrero Fuentes, Carlos | | | 2155 | ECU | 0.50 | 1 | 0.38 | 25 | 9.50 | | | Salazar Loor, Rodger | | | 1965 | ECU | 0.00 | 1 | -0.30 | 25 | -7.50 | |
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) | | | | XIV Grand Prix, 5ta. Parada | Guayaquil | ECU | 2009-06-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2169 | 1819 | 0.00 | 1 | -0.11 | 25 | -2.75 | |
| | Medina, Miguel | | | 2169 | ECU | 0.00 | 1 | -0.11 | 25 | -2.75 | |
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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