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Individual Calculations January 2009 |
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| Montenegro, , Juan Rolando Total change: -15.00 | |   |
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| IRT Nacional Inter-Empresas 2008 | Bogota | COL | 2008-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2095 | 2159 | 2.00 | 3 | 0.24 | 15 | 3.60 | |
|  Silva, John Hansen | | | 2017 | COL | 0.50 | 1 | -0.19 | 15 | -2.85 | |  Camargo, Santiago | | | 2082 | COL | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Ruiz C, Joshua D | c | | 2185 | 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) | | | | IRT Open Internacional U Central | Bogota | COL | 2008-11-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2185 | 2159 | 2.50 | 6 | -0.30 | 15 | -4.50 | |
| | Almanza, Rafael Andres | | | 2187 | COL | 0.50 | 1 | 0.04 | 15 | 0.60 | | | Rivera, Alberto | m | | 2363 | CUB | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Melgosa, Marcio | | | 2292 | COL | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Garcia, Martha L | | | 2000 | COL | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Diaz, Jaime Walter | | | 2246 | COL | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Hernandez, Jairo Andres | | | 2020 | COL | 1.00 | 1 | 0.31 | 15 | 4.65 | |
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 |
| 2164 | 2159 | 3.50 | 9 | -0.94 | 15 | -14.10 | |
| | Castrillon Gomez, Melissa | | | 1994 | COL | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Ossa, Orlando | | | 2314 | COL | 1.00 | 1 | 0.71 | 15 | 10.65 | | | Arenas, David | m | | 2323 | COL | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Mateus, Alejandro | | | 2192 | COL | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Castro, Oscar H | m | | 2395 | COL | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Betancur, David | | | 2224 | COL | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Orozco, Luz Elena | | | 1990 | COL | 0.00 | 1 | -0.72 | 15 | -10.80 | | | Martinez, Martin | | | 2027 | COL | 0.00 | 1 | -0.68 | 15 | -10.20 | | | Salazar, Aura Cristina | | wf | 2016 | COL | 0.50 | 1 | -0.19 | 15 | -2.85 | |
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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