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Individual Calculations April 2008 |
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| Guelgua, Alvaro Total change: -0.90 | |   |
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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 |
| 2147 | 1965 | 2.00 | 4 | 0.93 | 25 | 23.25 | |
|  Duque, Juan Camilo | | | 2103 | COL | 1.00 | 1 | 0.69 | 25 | 17.25 | |  Ayala Prieto, Javier Mateo | | | 2180 | COL | 1.00 | 1 | 0.77 | 25 | 19.25 | | | Renato, Terry | f | | 2247 | PER | 0.00 | 1 | -0.16 | 25 | -4.00 | | | Rios, Cristhian Camilo | f | | 2057 | COL | 0.00 | 1 | -0.37 | 25 | -9.25 | |
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 Departamental Sub18 Absoluto | Cali | COL | 2008-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1945 | 1965 | 1.00 | 4 | -1.08 | 25 | -27.00 | |
| | Chavarro, Jefry | | | 2088 | COL | 0.00 | 1 | -0.33 | 25 | -8.25 | | | Cardona, Juan Camilo | | | 2029 | COL | 0.00 | 1 | -0.41 | 25 | -10.25 | | | Ossa, Juan Sebastian | | | 1734 | COL | 1.00 | 1 | 0.21 | 25 | 5.25 | | | Ceron, Edgar Ivan | | | 1929 | COL | 0.00 | 1 | -0.55 | 25 | -13.75 | |
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) | | | NOTE: K factor changed | | IRT Nacional Sub18 Absoluto | Bogota | COL | 2008-01-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2097 | 1965 | 1.50 | 4 | 0.19 | 15 | 2.85 | |
| | Sanchez, Simon | | | 2086 | COL | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Ayala, Mateo | | | 2180 | COL | 1.00 | 1 | 0.77 | 15 | 11.55 | | | Becerra, Juan David | | | 2084 | COL | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Avila, Pedro Andres | | | 2039 | 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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