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Individual Calculations September 2012 |
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| Parra Matute, Mario Total change: -4.35 | |   |
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| XVII Grand Prix, 6ta. Parada | Macas | ECU | 2012-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1719 | 1662 | 1.50 | 4 | -0.29 | 15 | -4.35 | |
|  Jarrin Cobos, Jose | | | 2031 | ECU | 0.00 | 1 | -0.10 | 15 | -1.50 | |  Jerves Cordova, Carlos | | | 1899 | ECU | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Bonilla Loor, Angie | | | 1496 | ECU | 0.50 | 1 | -0.22 | 15 | -3.30 | | | Peralta, Paulo | | | 1451 | ECU | 1.00 | 1 | 0.23 | 15 | 3.45 | |
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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