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Individual Calculations April 2009 |
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| Salazar, Samuel Sebastian Total change: -42.75 | |   |
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| Nacional Sub18 Absoluto | Bogota | COL | 2008-12-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1952 | 2028 | 1.00 | 3 | -0.77 | 25 | -19.25 | |
|  Silva, John Hansen | | | 2017 | COL | 1.00 | 1 | 0.48 | 25 | 12.00 | |  Perez Olarte, Cesar Camilo | | | 2083 | COL | 0.00 | 1 | -0.42 | 25 | -10.50 | | | Nieto, Manuel Valerio Waldo | | | 1756 | COL | 0.00 | 1 | -0.83 | 25 | -20.75 | |
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 Escolar Sub15 Absoluto | Bogota | COL | 2009-02-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2038 | 2028 | 1.00 | 4 | -0.94 | 25 | -23.50 | |
| | Martinez, Martin | | | 2083 | COL | 0.00 | 1 | -0.42 | 25 | -10.50 | | | Ruiz C, Joshua D | c | | 2193 | COL | 0.00 | 1 | -0.28 | 25 | -7.00 | | | Pachon, Adriana | | wf | 2006 | COL | 0.00 | 1 | -0.53 | 25 | -13.25 | | | Rodriguez M, Juan Andres | | | 1870 | COL | 1.00 | 1 | 0.29 | 25 | 7.25 | |
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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