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Individual Calculations April 2009 |
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| Gomez, Juan Andres Total change: -7.50 | |   |
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| Nacional Sub10 Absoluto | Manizales | COL | 2009-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1824 | 2030 | 2.00 | 2 | 0.52 | 25 | 13.00 | |
|  Renteria, Alejandro | | | 1680 | COL | 1.00 | 1 | 0.11 | 25 | 2.75 | |  Lopez, Luis Alejandro | | | 1968 | COL | 1.00 | 1 | 0.41 | 25 | 10.25 | |
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) | | | | Nacional Escolar Sub11 Absoluto | Bogota | COL | 2009-02-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2003 | 2030 | 0.00 | 2 | -1.07 | 25 | -26.75 | |
| | Salcedo, Jackeline | | wf | 2086 | COL | 0.00 | 1 | -0.42 | 25 | -10.50 | | | Jimenez, Leonardo Andres | | | 1919 | COL | 0.00 | 1 | -0.65 | 25 | -16.25 | |
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) | | | | IRT Sub 14 GP Club Los Reyes | Bogota | COL | 2009-02-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1992 | 2030 | 0.50 | 3 | -1.16 | 25 | -29.00 | |
| | Jimenez, Leonardo Andres | | | 1919 | COL | 0.00 | 1 | -0.65 | 25 | -16.25 | | | Camargo, Alfonso Junior | | | 1994 | COL | 0.50 | 1 | -0.05 | 25 | -1.25 | | | Juez, Jhon Alexander | | | 2062 | COL | 0.00 | 1 | -0.46 | 25 | -11.50 | |
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) | | | | IRT Distrital Sub 14 | Bogota | COL | 2009-03-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2108 | 2030 | 3.00 | 4 | 1.41 | 25 | 35.25 | |
| | Aguirre, Omar Andres | | | 2198 | COL | 1.00 | 1 | 0.72 | 25 | 18.00 | | | Neira, Juan David | | | 2012 | COL | 1.00 | 1 | 0.47 | 25 | 11.75 | | | Monsalve, Luz Adriana | | wf | 2027 | COL | 1.00 | 1 | 0.50 | 25 | 12.50 | | | Ruiz, Joshua | c | | 2193 | COL | 0.00 | 1 | -0.28 | 25 | -7.00 | |
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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