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Individual Calculations January 2009 |
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| Martinez Romero, Martin Total change: 56.25 | |   |
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| America Central and Caribbean Regional Champiomship U- 14 Male | San Salvador | ESA | 2008-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1967 | 2025 | 2.00 | 2 | 0.84 | 15 | 12.60 | |
|  Madrigal Bodan, Mariano J. | | | 1908 | NCA | 1.00 | 1 | 0.34 | 15 | 5.10 | |  Barros, Raul Junior | f | | 2026 | COL | 1.00 | 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) | | | | Nacional Sub26 | Bogota | COL | 2008-09-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2114 | 2025 | 2.50 | 6 | 0.21 | 15 | 3.15 | |
| | Remicio Duque, John H | | | 2216 | COL | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Juez, Yesith | | | 1945 | COL | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Cifuentes, John Jairo | c | | 2181 | COL | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Fiori, Alberto Nicolas | | | 2164 | ARG | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Duque, Juan Camilo | | | 2007 | COL | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Rivera, Ingris | | wm | 2171 | COL | 0.00 | 1 | -0.30 | 15 | -4.50 | |
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 |
| 2106 | 2027 | 3.00 | 6 | 0.64 | 15 | 9.60 | |
| | Sanchez Maya, Simon | | | 2168 | COL | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Narvaez, Faber Alberto | | | 2123 | COL | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Silva, Jorge | | | 2027 | COL | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Pinzon, Jefferson | | | 2096 | COL | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Ruiz C, Joshua D | c | | 2185 | COL | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Soste, Victor | | | 2034 | 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) | | | | Torneo IRT OPEN DE LAS AMERICAS | Medellin | COL | 2008-11-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2163 | 2027 | 5.00 | 9 | 2.06 | 15 | 30.90 | |
| | Mateus, Alejandro | | | 2192 | COL | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Narvaez, Faber Alberto | | | 2123 | COL | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Cano, Luis Fernando | | | 2238 | COL | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Gonzalez, Sonia | | | 2021 | COL | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Gallego, Andres Felipe | | | 2365 | COL | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Montoya Diez, Cesar Augusto | | | 2125 | COL | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Hurtado, Felipe | | | 2045 | COL | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Montenegro, Juan Rolando | | | 2159 | COL | 1.00 | 1 | 0.68 | 15 | 10.20 | | | Guerrero, Juan Carlos | | | 2198 | 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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