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Individual Calculations January 2009 |
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| Betancur, David Total change: 1.05 | |   |
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| IRT Open Internacional U Central | Bogota | COL | 2008-11-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2120 | 2224 | 5.00 | 8 | -0.01 | 15 | -0.15 | |
|  Cardona, Juan Camilo | | | 1990 | COL | 0.00 | 1 | -0.79 | 15 | -11.85 | |  Guerrero Forero, Ricardo | | | 2135 | COL | 0.00 | 1 | -0.62 | 15 | -9.30 | | | Ossa, Juan Sebastian | | | 1874 | COL | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Fonseca, Carlos Arturo | | | 2053 | COL | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Perez Olarte, Cesar Camilo | | | 2083 | COL | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Tapia, Daniel | f | | 2324 | COL | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Vittorino, Carlo | f | | 2342 | COL | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Garavito, Miguel Angel | | | 2157 | COL | 0.50 | 1 | -0.09 | 15 | -1.35 | |
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) | | | | Torneo IRT OPEN DE LAS AMERICAS | Medellin | COL | 2008-11-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2180 | 2224 | 5.00 | 9 | -0.10 | 15 | -1.50 | |
| | Benitez Rodriguez, Carlos | | | 2051 | COL | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Rivera, Ingris | | wm | 2153 | COL | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Delgado Ramirez, Neuris | g | | 2549 | CUB | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Becerra, Juan David | | | 2142 | COL | 0.00 | 1 | -0.61 | 15 | -9.15 | | | Orozco, Lina Yomayra | | | 2097 | COL | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Montenegro, Juan Rolando | | | 2159 | COL | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Pena Duarte, Fabian Dario | | | 2086 | COL | 0.00 | 1 | -0.69 | 15 | -10.35 | | | Garavito, Miguel Angel | | | 2157 | COL | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Beltran, Carlos Armando | | | 2230 | COL | 0.00 | 1 | -0.49 | 15 | -7.35 | |
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 Juegos Nacionales ABS 2008 | San Andres | COL | 2008-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2180 | 2224 | 3.00 | 5 | 0.18 | 15 | 2.70 | |
| | Zapata, Alonso | g | | 2501 | COL | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Restrepo, Juan Jose | | | 2060 | COL | 0.00 | 1 | -0.72 | 15 | -10.80 | | | Moreno, Jhovanni | | | 2000 | COL | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Ruiz, Eric Jabib | | | 2161 | COL | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Sanchez, Sebastian Felipe | | | 2178 | COL | 1.00 | 1 | 0.44 | 15 | 6.60 | |
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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