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Individual Calculations July 2008 |
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| Orejuela Chango, Cristina Total change: 1.80 | |   |
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| XIII Grand Prix, 2da. Parada U-2000 | Portoviejo | ECU | 2008-04-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1921 | 1758 | 1.50 | 3 | 0.64 | 15 | 9.60 | |
|  Guerrero Zambrano, Joel | | | 1937 | ECU | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Vallejo Turriago, Renato | | | 1905 | ECU | 0.50 | 1 | 0.20 | 15 | 3.00 | |  Salazar Loor, Rodger | | | 1920 | ECU | 1.00 | 1 | 0.71 | 15 | 10.65 | |
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) | | | | FEDA 142 | Quito | ECU | 2008-05-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1951 | 1758 | 0.50 | 4 | -0.52 | 15 | -7.80 | |
| | Romero Echeverria, Abigail | | | 1999 | ECU | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Garrido Garzon, Ruben | | | 1986 | ECU | 0.50 | 1 | 0.29 | 15 | 4.35 | | | Heredia Serrano, Carla | | | 2015 | ECU | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Ruiz Mendez, Daniel | | | 1805 | ECU | 0.00 | 1 | -0.43 | 15 | -6.45 | |
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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