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Individual Calculations January 2009 |
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| Guerrero, Hernando Total change: -30.15 | |   |
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| IRT Nacional Inter-Empresas 2008 | Bogota | COL | 2008-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2142 | 2027 | 1.00 | 6 | -1.13 | 15 | -16.95 | |
|  Renteria, Jorge Eliecer | f | | 2256 | COL | 0.00 | 1 | -0.21 | 15 | -3.15 | |  Soste, Victor | | | 2034 | COL | 0.00 | 1 | -0.49 | 15 | -7.35 | | | Pardo, Javier Andres | | | 2046 | COL | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Zuluaga, Cesar | f | | 2320 | COL | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Sanchez Maya, Simon | | | 2168 | COL | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Silva, Jorge | | | 2027 | COL | 0.00 | 1 | -0.50 | 15 | -7.50 | |
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 Open Internacional U Central | Bogota | COL | 2008-11-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2106 | 2027 | 1.50 | 6 | -0.88 | 15 | -13.20 | |
| | Renteria, Jorge Eliecer | f | | 2256 | COL | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Gutierrez, Jose Antonio | m | | 2243 | COL | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Garavito, Miguel Angel | | | 2157 | COL | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Velasco, Luz Mariela | | | 1834 | COL | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Alvarez, Amaury | | | 2148 | COL | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Garcia, Martha L | | | 2000 | COL | 0.50 | 1 | -0.04 | 15 | -0.60 | |
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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