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Individual Calculations April 2009 |
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| Chang Suarez, Andres Total change: 6.15 | |   |
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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 |
| 2079 | 2134 | 5.00 | 7 | 1.02 | 15 | 15.30 | |
|  Pinargote Carreno, Kassandra | | | 1840 | ECU | 1.00 | 1 | 0.15 | 15 | 2.25 | |  Chang Suarez, Rommel | | | 2172 | ECU | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Orellana Zuniga, Pedro | | | 2125 | ECU | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Palma, Alvaro | | | 2094 | ECU | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Chang Suarez, Emerson | | | 2084 | ECU | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Saltos Velez, Adrian | | | 2045 | ECU | 0.00 | 1 | -0.62 | 15 | -9.30 | | | Almeida Criollo, Jefferson | | | 2192 | ECU | 1.00 | 1 | 0.58 | 15 | 8.70 | |
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 |
| 2079 | 2134 | 5.00 | 7 | 1.02 | 15 | 15.30 | |
| | Pinargote Carreno, Kassandra | | | 1840 | ECU | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Chang Suarez, Rommel | | | 2172 | ECU | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Orellana Zuniga, Pedro | | | 2125 | ECU | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Palma, Alvaro | | | 2094 | ECU | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Chang Suarez, Emerson | | | 2084 | ECU | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Saltos Velez, Adrian | | | 2045 | ECU | 0.00 | 1 | -0.62 | 15 | -9.30 | | | Almeida Criollo, Jefferson | | | 2192 | ECU | 1.00 | 1 | 0.58 | 15 | 8.70 | |
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 |
| 2020 | 2134 | 2.50 | 4 | 0.04 | 15 | 0.60 | |
| | Solorzano, Genesis | | | 1784 | ECU | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Munoz Sanchez, Miguel | m | | 2321 | ECU | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Sanchez, Cinthya | | | 1784 | ECU | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Almeida Criollo, Jefferson | | | 2192 | ECU | 0.50 | 1 | 0.08 | 15 | 1.20 | |
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 |
| 1924 | 2134 | 2.00 | 5 | -1.67 | 15 | -25.05 | |
| | Jaramillo Arce, Katherine | | | 1784 | ECU | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Delgado Ramirez, Neuris | g | | 2484 | CUB | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Olvera Urena, Yasser | | | 1784 | ECU | 0.50 | 1 | -0.39 | 15 | -5.85 | | | Cerezo Najera, Jorge | | | 1784 | ECU | 0.00 | 1 | -0.89 | 15 | -13.35 | | | Lozano Cedeno, Jorge | | | 1784 | ECU | 0.50 | 1 | -0.39 | 15 | -5.85 | |
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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