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Individual Calculations January 2010 |
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| Parra Matute, Mario Total change: 25.75 | |   |
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| Campeonato Nacional Oficial U-15 Absoluto 2009 | Macas | ECU | 2009-11-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1678 | 1590 | 4.00 | 8 | 0.93 | 25 | 23.25 | |
|  Garzon Rivera, Ricardo | | | 1728 | ECU | 0.50 | 1 | 0.19 | 25 | 4.75 | |  Llamuca, Henry | | | 1480 | ECU | 1.00 | 1 | 0.35 | 25 | 8.75 | | | Zambrano, Paolo | | | 1781 | ECU | 0.50 | 1 | 0.25 | 25 | 6.25 | | | Reinoso, Eduardo | | | 1769 | ECU | 0.00 | 1 | -0.27 | 25 | -6.75 | | | Arevalo Lolaya, Dennis | | | 1604 | ECU | 1.00 | 1 | 0.52 | 25 | 13.00 | | | Espin Diaz, Edwin | | | 1651 | ECU | 0.00 | 1 | -0.42 | 25 | -10.50 | | | Olvera Urena, Yasser | | | 1701 | ECU | 0.00 | 1 | -0.35 | 25 | -8.75 | | | Heredia, Juan | | | 1710 | ECU | 1.00 | 1 | 0.66 | 25 | 16.50 | |
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) | | | | XIV GRAND PRIX 8ava Parada Quito | Quito | ECU | 2009-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1774 | 1590 | 1.00 | 3 | 0.10 | 25 | 2.50 | |
| | Chang Suarez, Rommel | | | 1990 * | ECU | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Jaramillo Arce, Katherine | | | 1503 | ECU | 1.00 | 1 | 0.38 | 25 | 9.50 | | | Garcia Giler, Julio | | | 1830 | ECU | 0.00 | 1 | -0.20 | 25 | -5.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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