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Individual Calculations January 2009 |
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| Ossa, Orlando Total change: -22.20 | |   |
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| Nacional Sub26 | Bogota | COL | 2008-09-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2095 | 2264 | 2.00 | 4 | -0.88 | 15 | -13.20 | |
|  Silva, Jhon Hansen | | | 2044 | COL | 1.00 | 1 | 0.22 | 15 | 3.30 | |  Fiori, Alberto Nicolas | | | 2164 | ARG | 0.00 | 1 | -0.64 | 15 | -9.60 | | | Pulido, Diana Marcela | | | 2059 | COL | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Becerra, Juan David | | | 2114 | COL | 0.00 | 1 | -0.70 | 15 | -10.50 | |
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 Nacional Inter-Empresas 2008 | Bogota | COL | 2008-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2223 | 2314 | 4.00 | 7 | -0.23 | 15 | -3.45 | |
| | Juez, Jose Yesid | | | 1964 | COL | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Acosta, Alejandro | m | | 2344 | COL | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Rojas Barrero, Andres H | | | 2253 | COL | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Castro, Oscar H | m | | 2395 | COL | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Guzman, Campo Elias | | | 2028 | COL | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Gutierrez, Jose Antonio | m | | 2243 | COL | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Rios, Mauricio | f | | 2334 | COL | 0.00 | 1 | -0.47 | 15 | -7.05 | |
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) | | | | 2008 Pan American - Continental Championships | Boca Raton, Florida | USA | 2008-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2159 | 2314 | 5.00 | 9 | -1.22 | 15 | -18.30 | |
| | Heung, Christopher | | | 1964 | USA | 0.00 | 1 | -0.89 | 15 | -13.35 | | | Vaja, Ashish | | | 2183 | USA | 0.00 | 1 | -0.68 | 15 | -10.20 | | | Airapetian, Chouchanik | | wf | 2117 | USA | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Santalla, Andres | | | 2108 | USA | 0.00 | 1 | -0.76 | 15 | -11.40 | | | Pique, Dr Carlos | | | 2048 | NCA | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Bermudez, Eduardo | | | 2095 | COL | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Lugo, Blas | m | | 2403 | USA | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Betaneli, Alex | f | | 2318 | USA | 0.00 | 1 | -0.49 | 15 | -7.35 | | | Cooke, Eric N | | | 2191 | USA | 1.00 | 1 | 0.33 | 15 | 4.95 | |
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 |
| 2103 | 2314 | 2.00 | 4 | -1.08 | 15 | -16.20 | |
| | Orozco, Lina Yomayra | | | 2097 | COL | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Montenegro, Juan Rolando | | | 2159 | COL | 0.00 | 1 | -0.71 | 15 | -10.65 | | | Escobar Medina, Andres F | | | 2059 | COL | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Franco, Angela | | wf | 2098 | COL | 0.00 | 1 | -0.78 | 15 | -11.70 | |
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 Sub-Zonal ABS 2.3.4 | San Andres | COL | 2008-11-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2266 | 2314 | 7.00 | 9 | 1.93 | 15 | 28.95 | |
| | Prieto, Ernesto | | | 2181 | COL | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Echavarria, Johann | f | | 2376 | COL | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Sanchez, Victor Hugo | | | 2170 | COL | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Becerra, Juan David | | | 2142 | COL | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Vittorino, Carlo | f | | 2342 | COL | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Gallego, Andres Felipe | | | 2365 | COL | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Saladen Dulce, Rafael | f | | 2187 | COL | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Pena, Alfredo | f | | 2309 | COL | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Zuluaga, Cesar | f | | 2320 | COL | 1.00 | 1 | 0.51 | 15 | 7.65 | |
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) | | |
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