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Individual Calculations April 2009 |
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| Chang Suarez, Rommel Total change: 15.30 | |   |
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| XIII Grand Prix, Sexta Parada Categoria U-2200 | Quevedo | ECU | 2008-10-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2114 | 2172 | 5.00 | 7 | 0.95 | 15 | 14.25 | |
|  Palma, Alvaro | | | 2094 | ECU | 1.00 | 1 | 0.39 | 15 | 5.85 | |  Chang Suarez, Andres | | | 2134 | ECU | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Angamarca Angamarca, Carlos | | | 2118 | ECU | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Almeida Criollo, Jefferson | | | 2192 | ECU | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Saltos Velez, Adrian | | | 2045 | ECU | 0.00 | 1 | -0.67 | 15 | -10.05 | | | Galefsky, Eduardo | | | 2090 | CHI | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Chavez Yanchapaxi, Eduardo | | | 2127 | ECU | 1.00 | 1 | 0.44 | 15 | 6.60 | |
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) | | | | XIII Grand Prix, Sexta Parada Categoria U-2000 | Quevedo | ECU | 2008-10-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2114 | 2172 | 5.00 | 7 | 0.95 | 15 | 14.25 | |
| | Palma, Alvaro | | | 2094 | ECU | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Chang Suarez, Andres | | | 2134 | ECU | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Angamarca Angamarca, Carlos | | | 2118 | ECU | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Almeida Criollo, Jefferson | | | 2192 | ECU | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Saltos Velez, Adrian | | | 2045 | ECU | 0.00 | 1 | -0.67 | 15 | -10.05 | | | Galefsky, Eduardo | | | 2090 | CHI | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Chavez Yanchapaxi, Eduardo | | | 2127 | ECU | 1.00 | 1 | 0.44 | 15 | 6.60 | |
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, Primera Parada | Ambato | ECU | 2009-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1960 | 2172 | 3.00 | 4 | 0.07 | 15 | 1.05 | |
| | Doylet Mendieta, Daniel | | | 1834 | ECU | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Maldonado Carpio, Sergio | | | 1822 | ECU | 0.50 | 1 | -0.39 | 15 | -5.85 | | | Orejuela Chango, Paulina | | | 1863 | ECU | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Macias Murillo, Bryan | f | | 2320 | ECU | 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) | | | | XIV Grand Prix, Segunda Parada | Guayaquil | ECU | 2009-02-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1963 | 2172 | 3.50 | 6 | -0.95 | 15 | -14.25 | |
| | Olaya, Sandra | | | 1822 | ECU | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Silva Vega, David | | | 1951 | ECU | 0.00 | 1 | -0.78 | 15 | -11.70 | | | Bohorquez Canizares, Maria | | | 1822 | ECU | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Bravo Navarro, Wilson | | | 1881 | ECU | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Mieles Palau, Daniel | m | | 2422 | ECU | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Ricaurte Macancela, Juan Carlos | | | 1879 | ECU | 0.50 | 1 | -0.35 | 15 | -5.25 | |
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) | | |
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