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Individual Calculations July 2008 |
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| Sanchez, David Total change: 27.00 | |   |
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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 |
| 1770 | 1699 | 0.50 | 1 | 0.10 | 25 | 2.50 | |
|  Diaz, Maria Fernanda | | | 1770 | ECU | 0.50 | 1 | 0.10 | 25 | 2.50 | |
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) | | | | Nacional U-13 Masculino | Portoviejo | ECU | 2008-06-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1691 | 1699 | 2.00 | 2 | 0.98 | 25 | 24.50 | |
|  Heras Bolanos, Jhann | | | 1850 | ECU | 1.00 | 1 | 0.70 | 25 | 17.50 | | | Arevalo Lolaya, Dennis | | | 1531 | ECU | 1.00 | 1 | 0.28 | 25 | 7.00 | |
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) | | |
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