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Individual Calculations April 2008 |
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| Ayala, Mateo Total change: -83.00 | |   |
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| Primer Continental Escolar CCSA 2007 U15 Absolute | Cartagena | COL | 2007-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1953 | 2180 | 0.00 | 2 | -1.57 | 25 | -39.25 | |
|  Guelgua, Alvaro | | | 1965 | COL | 0.00 | 1 | -0.77 | 25 | -19.25 | | | Granada, Angie | | | 1941 | COL | 0.00 | 1 | -0.80 | 25 | -20.00 | |
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) | | | | IRT Nacional Sub18 Absoluto | Bogota | COL | 2008-01-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1921 | 2180 | 1.50 | 4 | -1.75 | 25 | -43.75 | |
| | Ossa, Juan Sebastian | | | 1830 | COL | 0.00 | 1 | -0.89 | 25 | -22.25 | | | Tirado, Juan Camilo | | | 1961 | COL | 1.00 | 1 | 0.22 | 25 | 5.50 | |  Guelgua, Alvaro | | | 1965 | COL | 0.00 | 1 | -0.77 | 25 | -19.25 | | | Ceron, Edgar Ivan | | | 1929 | COL | 0.50 | 1 | -0.31 | 25 | -7.75 | |
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) | | |
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