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Individual Calculations May 2012 |
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| Pereira, Henry Alberto Total change: -51.90 | |   |
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| Open IRT Liga de Ajedrez de Bogota FEBRERO | Bogota | COL | 2012-02-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1996 | 2086 | 2.50 | 5 | -0.53 | 30 | -15.90 | |
|  Ruiz, Alciguel | f | | 2233 | COL | 0.00 | 1 | -0.30 | 30 | -9.00 | |  Manrique, Fernando | | | 1975 | COL | 1.00 | 1 | 0.35 | 30 | 10.50 | | | Juez, Henry David | | | 1976 | COL | 0.50 | 1 | -0.15 | 30 | -4.50 | | | Acuna Buitrago, Camilo Andres | | | 2056 | COL | 0.00 | 1 | -0.54 | 30 | -16.20 | | | Cuellar, Jose Gabriel | | | 1741 | COL | 1.00 | 1 | 0.11 | 30 | 3.30 | |
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) | | | | Open IRT Liga de Ajedrez de Bogota MARZO | Bogota | COL | 2012-03-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2000 | 2086 | 2.50 | 6 | -1.20 | 30 | -36.00 | |
| | Rivera, Camilo Ernesto | | | 1901 | COL | 1.00 | 1 | 0.26 | 30 | 7.80 | | | Acosta, Alejandro | m | | 2309 | COL | 0.00 | 1 | -0.22 | 30 | -6.60 | | | Avella Rosas, Luis Eduardo | | | 1987 | COL | 0.00 | 1 | -0.64 | 30 | -19.20 | | | Melo, Marlon | | | 1939 | COL | 1.00 | 1 | 0.30 | 30 | 9.00 | | | Dominguez Rincon, Miller | | | 2007 | COL | 0.00 | 1 | -0.61 | 30 | -18.30 | | | Corredor, Castellanos Camilo | | | 1858 | COL | 0.50 | 1 | -0.29 | 30 | -8.70 | |
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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