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Individual Calculations November 2009 |
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| Duarte Barahona, Raul Alej Total change: -7.65 | |   |
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| Nacional Sub 20 Varonil | Ixtapan De La Sal Estado de México | MEX | 2009-08-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1946 | 2234 | 2.00 | 3 | -0.51 | 15 | -7.65 | |
|  Salazar Martinez, Sergio | | | 1892 | MEX | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Dayan Sutton, Isaac | | | 1946 | MEX | 1.00 | 1 | 0.16 | 15 | 2.40 | |  Medina Garcia, Manuel Alva | | | 1999 | MEX | 0.00 | 1 | -0.79 | 15 | -11.85 | |
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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