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Individual Calculations May 2012 |
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| Ruiz C, Joshua D Total change: 128.25 | |   |
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| Open IRT Liga de Ajedrez de Bogota FEBRERO | Bogota | COL | 2012-02-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2101 | 2202 | 5.50 | 6 | 1.72 | 15 | 25.80 | |
|  Bejarano, Dany Andres | | | 1988 | COL | 1.00 | 1 | 0.23 | 15 | 3.45 | |  Prado Useche, Leonardo | | | 2036 | COL | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Becerra, Juan David | | | 2318 | COL | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Almanza, Rafael Andres | | | 2183 | COL | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Juez, Jose Yesid | | | 2051 | COL | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Ceron, Juan Carlos | | | 2032 | COL | 1.00 | 1 | 0.28 | 15 | 4.20 | |
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) | | | | Open IRT Sub16 Mixto | Bogota | COL | 2012-03-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1877 | 2178 | 4.50 | 5 | 0.28 | 15 | 4.20 | |
| | Moreno Lozano, Esteban | | | 1778 * | COL | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Gomez, Juan Andres | | | 1808 | COL | 1.00 | 1 | 0.10 | 15 | 1.50 | | | Camargo, Santiago | | | 2003 | COL | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Corredor Castellanos, Camilo | | | 1858 | COL | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Martinez Baquero, Hugo Esteban | | | 1940 | COL | 0.50 | 1 | -0.30 | 15 | -4.50 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Open IRT Liga de Ajedrez de Bogota MARZO | Bogota | COL | 2012-03-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2145 | 2178 | 5.50 | 7 | 1.73 | 15 | 25.95 | |
| | Salcedo, Jackeline | | wf | 1912 | COL | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Becerra, Juan David | | | 2318 | COL | 1.00 | 1 | 0.69 | 15 | 10.35 | | | Trujillo, Otoniel | | | 2224 | COL | 1.00 | 1 | 0.56 | 15 | 8.40 | | | Acosta, Alejandro | m | | 2309 | COL | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Pinzon, Jairo David | | | 2210 | COL | 0.50 | 1 | 0.04 | 15 | 0.60 | | | Ramirez, Jaime Orlando | | | 2002 | COL | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Ceron, Juan Carlos | | | 2039 | 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) | | | | ITT UDI Sub27 Universitario | Bucaramanga | COL | 2012-03-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2303 | 2178 | 5.50 | 8 | 2.72 | 15 | 40.80 | |
| | Garcia Engels, Vladimir | | | 1867 | COL | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Aguero Jimenez, Luis Lazaro | m | | 2436 | CUB | 1.00 | 1 | 0.82 | 15 | 12.30 | | | Gomez Garrido, Camilo Ernesto | m | | 2515 | CUB | 0.50 | 1 | 0.38 | 15 | 5.70 | | | Marin, Sebastian | | | 2326 | COL | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Barros, Raul Junior | f | | 2217 | COL | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Pozo Vera, Sandro | m | | 2483 | CUB | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Pesantes Aucay, Jose | | | 2160 | ECU | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Arenas, David | m | | 2423 | COL | 0.50 | 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) | | | | Open Internacional de Semana Santa L.A.B. | Bogota | COL | 2012-04-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2260 | 2178 | 4.50 | 8 | 1.35 | 15 | 20.25 | |
| | Ramirez, Carlos | f | | 2314 | COL | 1.00 | 1 | 0.68 | 15 | 10.20 | | | Gallego Alcaraz, Andres Felipe | m | | 2365 | COL | 1.00 | 1 | 0.74 | 15 | 11.10 | | | Marin, Sebastian | | | 2326 | COL | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Zuluaga, Cesar | f | | 2372 | COL | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Torres, Juan Camilo | | | 2295 | COL | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Arenas, David | m | | 2423 | COL | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Gomez Barrero, Sergio | | | 2053 | COL | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Corrales, Isis Johanna | | | 1929 | COL | 1.00 | 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) | | | | Zonal Sub-18 Absoluto Zona Occidente 2012 | Armenia | COL | 2012-04-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2020 | 2178 | 2.50 | 4 | -0.30 | 15 | -4.50 | |
| | Posada, Juan Manuel | f | | 2016 | COL | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Blandon Villa, Diego F | | | 2163 | COL | 0.00 | 1 | -0.52 | 15 | -7.80 | | | Valencia, Cristian Johan | | | 1936 | COL | 0.50 | 1 | -0.30 | 15 | -4.50 | | | Jaramillo Ochoa, Mateo | | | 1963 | COL | 1.00 | 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) | | | | IRT Juvenil Cerrado | Bogota | COL | 2012-04-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2052 | 2178 | 7.00 | 9 | 1.05 | 15 | 15.75 | |
| | Rivera, Alberto | m | | 2321 | COL | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Cotes Ontibon, Samuel | | | 1911 | COL | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Castillo, Jorge | | | 2115 | COL | 0.00 | 1 | -0.59 | 15 | -8.85 | | | Bohorquez Pulgarin, Samuel Davi | | | 1949 | COL | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Gonzalez Ahumada, Andres Javier | | | 2022 | COL | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Castellanos Rodriguez, Camilo | | | 1949 | COL | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Velasquez, Angie Gabriela | | | 1989 | COL | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Trujillo, Otoniel | | | 2224 | COL | 1.00 | 1 | 0.56 | 15 | 8.40 | | | Obando Guzman, Soren Federico | | | 1989 | COL | 1.00 | 1 | 0.25 | 15 | 3.75 | |
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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