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Individual Calculations April 2009 |
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| Acevedo, Johan Sebastian Total change: -8.70 | |   |
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| Nacional Sub18 Absoluto | Bogota | COL | 2008-12-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1994 | 2163 | 2.50 | 5 | -1.05 | 25 | -26.25 | |
|  Nieto, Manuel Valerio Waldo | | | 1813 | COL | 1.00 | 1 | 0.11 | 25 | 2.75 | |  Martinez, Martin | | | 2027 | COL | 0.50 | 1 | -0.18 | 25 | -4.50 | | | Perez Olarte, Cesar Camilo | | | 2083 | COL | 0.50 | 1 | -0.11 | 25 | -2.75 | | | Ayala, Mateo | | | 2043 | COL | 0.00 | 1 | -0.66 | 25 | -16.50 | | | Castro, Jairo Antonio | | | 2003 | COL | 0.50 | 1 | -0.21 | 25 | -5.25 | |
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) | | | NOTE: K factor changed | | IRT Sub 14 GP Club Los Reyes | Bogota | COL | 2009-02-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2032 | 2153 | 4.00 | 5 | 0.69 | 15 | 10.35 | |
| | Calderon Zuluaga, Andrea | | | 1981 | COL | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Camargo, Alfonso Junior | | | 1994 | COL | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Juez, Henry David | | | 2036 | COL | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Jimenez, Luis Felipe | | | 2089 | COL | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Juez, Jhon Alexander | | | 2062 | COL | 0.50 | 1 | -0.12 | 15 | -1.80 | |
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) | | | NOTE: K factor changed | | IRT Distrital Sub 14 | Bogota | COL | 2009-03-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2053 | 2153 | 3.00 | 4 | 0.48 | 15 | 7.20 | |
| | Carrillo, Angie Catalina | | | 1964 | COL | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Mora, Monica | | | 1975 | COL | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Ruiz, Joshua | c | | 2193 | COL | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Camargo, Santiago | | | 2079 | COL | 0.50 | 1 | -0.10 | 15 | -1.50 | |
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) | | |
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