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Individual Calculations March 2011 |
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| Cerezo Najera, Jorge Total change: -12.15 | |   |
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| XV GRAND PRIX NACIONAL DE AJEDREZ IV PARADA CATEGORIA U-2100 | Quito | ECU | 2010-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1758 | 1846 | 1.50 | 4 | -0.93 | 15 | -13.95 | |
|  Meza Ponce, Jerry | | | 2042 | ECU | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Ruiz Mendez, Daniel | | | 1807 | ECU | 0.00 | 1 | -0.55 | 15 | -8.25 | | | Guasumba Cantuna, Leslie | | | 1577 | ECU | 1.00 | 1 | 0.17 | 15 | 2.55 | |  Parra Matute, Mario | | | 1604 | ECU | 0.50 | 1 | -0.30 | 15 | -4.50 | |
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) | | | | XV GRAND PRIX NACIONAL DE AJEDREZ V PARADA U 2200 | Loja | ECU | 2010-09-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1603 | 1846 | 2.50 | 3 | 0.12 | 15 | 1.80 | |
| | Parra Matute, Mario | | | 1604 | ECU | 0.50 | 1 | -0.30 | 15 | -4.50 | | | Arias Cango, Nathaly | | | 1521 | ECU | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Jaramillo Arce, Katherine | | | 1684 | ECU | 1.00 | 1 | 0.29 | 15 | 4.35 | |
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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