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Individual Calculations January 2009 |
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| Acosta, Alejandro Total change: -28.80 | |   |
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| IRT Nacional Inter-Empresas 2008 | Bogota | COL | 2008-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2216 | 2344 | 3.00 | 5 | -0.30 | 15 | -4.50 | |
|  Ossa, Orlando | | | 2314 | COL | 0.00 | 1 | -0.54 | 15 | -8.10 | |  Rios, Mauricio | f | | 2334 | COL | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Rodriguez Mayorga, Julian E | | | 2064 | COL | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Gonzalez, Sergio | f | | 2280 | COL | 0.00 | 1 | -0.59 | 15 | -8.85 | | | Pena Duarte, Fabian Dario | | | 2086 | COL | 1.00 | 1 | 0.18 | 15 | 2.70 | |
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) | | | | IRT Open Internacional U Central | Bogota | COL | 2008-11-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2162 | 2344 | 5.00 | 9 | -1.62 | 15 | -24.30 | |
| | Arias, Juan Diego | | | 2134 | COL | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Nunez, Gustavo Eduardo | f | | 2186 | COL | 0.00 | 1 | -0.71 | 15 | -10.65 | | | Perez Olarte, Cesar Camilo | | | 2083 | COL | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Rivera, Ingris | | wm | 2153 | COL | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Guerrero Forero, Ricardo | | | 2135 | COL | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Rojas Barrero, Andres H | | | 2253 | COL | 0.50 | 1 | -0.12 | 15 | -1.80 | | | Garavito, Miguel Angel | | | 2157 | COL | 0.00 | 1 | -0.74 | 15 | -11.10 | | | Fiori, Alberto Nicolas | | | 2183 | ARG | 0.50 | 1 | -0.21 | 15 | -3.15 | | | Sanchez, Victor Hugo | | | 2170 | COL | 0.50 | 1 | -0.23 | 15 | -3.45 | |
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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