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Individual Calculations October 2008 |
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| Castro, Oscar H Total change: 2.90 | |   |
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| IRT Torneo de Ajedrez Ciudad de Agua deDios | Agua de Dios CUN | COL | 2008-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2132 | 2392 | 2.00 | 4 | -1.25 | 10 | -12.50 | |
|  Conti, Julian | | | 2073 | COL | 0.00 | 1 | -0.87 | 10 | -8.70 | | | Guerrero, Hernando | | | 2042 | COL | 1.00 | 1 | 0.11 | 10 | 1.10 | |  Munoz, Jhon Edison | | | 2175 | COL | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Rojas Barrero, Andres H | | | 2236 | COL | 0.00 | 1 | -0.71 | 10 | -7.10 | |
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 Feria de las Flores | Medellin | COL | 2008-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2179 | 2392 | 6.50 | 8 | 0.46 | 10 | 4.60 | |
| | Barros, Raul | | | 2062 | COL | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Saladen Dulce, Rafael | f | | 2138 | COL | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Munoz, Jhon Edison | | | 2190 | COL | 0.50 | 1 | -0.26 | 10 | -2.60 | | | Orozco, Lina Yomayra | | | 2072 | COL | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Jimenez, Jose Mauricio | | | 2202 | COL | 0.50 | 1 | -0.25 | 10 | -2.50 | | | Zuluaga, Cesar | f | | 2308 | COL | 1.00 | 1 | 0.38 | 10 | 3.80 | | | Santiago, Angel Adolfo | | | 2042 | COL | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Barrientos, Sergio E | m | | 2418 | COL | 0.50 | 1 | 0.04 | 10 | 0.40 | |
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 GP Festival Folclorico del Pacifico | Buenaventura | COL | 2008-08-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2147 | 2392 | 4.50 | 6 | -0.21 | 10 | -2.10 | |
| | Dominguez, Oscar | | | 2042 | COL | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Hurtado, Felipe | | | 2042 | COL | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Montano, Henry | | | 2115 | COL | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Barrientos, Sergio E | m | | 2418 | COL | 0.00 | 1 | -0.46 | 10 | -4.60 | | | Rengifo, Jose Ignacio | | | 2107 | COL | 0.50 | 1 | -0.34 | 10 | -3.40 | | | Mateus, Martha | | | 2156 | COL | 1.00 | 1 | 0.20 | 10 | 2.00 | |
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) | | | | Semifinal Olimpiada Absoluto Grupo B | Cali | COL | 2008-09-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2295 | 2392 | 5.50 | 7 | 1.14 | 10 | 11.40 | |
| | Barrientos, Sergio E | m | | 2418 | COL | 0.50 | 1 | 0.04 | 10 | 0.40 | | | Mateus, Alejandro | | | 2191 | COL | 1.00 | 1 | 0.24 | 10 | 2.40 | | | Uribe, Mauricio | f | | 2414 | COL | 1.00 | 1 | 0.53 | 10 | 5.30 | | | Rios, Mauricio | f | | 2349 | COL | 0.50 | 1 | -0.06 | 10 | -0.60 | | | Arenas, David | m | | 2319 | COL | 1.00 | 1 | 0.40 | 10 | 4.00 | | | Ramirez, Carlos | f | | 2258 | COL | 0.50 | 1 | -0.18 | 10 | -1.80 | | | Becerra, Juan David | | | 2114 | COL | 1.00 | 1 | 0.17 | 10 | 1.70 | |
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) | | | | Final Olimpiada Masculino | Cali | COL | 2008-09-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2361 | 2392 | 3.00 | 5 | 0.29 | 10 | 2.90 | |
| | Clavijo, Jorge Mario | m | | 2341 | COL | 1.00 | 1 | 0.43 | 10 | 4.30 | | | Arenas, David | m | | 2319 | COL | 1.00 | 1 | 0.40 | 10 | 4.00 | | | Uribe, Mauricio | f | | 2414 | COL | 0.00 | 1 | -0.47 | 10 | -4.70 | | | Escobar Forero, Alder | m | | 2468 | COL | 0.50 | 1 | 0.10 | 10 | 1.00 | | | Ossa, Orlando | | | 2264 | COL | 0.50 | 1 | -0.17 | 10 | -1.70 | |
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) | | | | I IRT Internacional GP Justo Capera Caicedo | Dorada (Caldas) | COL | 2008-09-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2200 | 2392 | 3.50 | 5 | -0.14 | 10 | -1.40 | |
| | Hoyos, Efrain | | | 2042 | COL | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Narvaez, Faber Alberto | | | 2130 | COL | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Barrientos, Sergio E | m | | 2418 | COL | 0.50 | 1 | 0.04 | 10 | 0.40 | | | Rojas Barrero, Andres H | | | 2274 | COL | 0.00 | 1 | -0.66 | 10 | -6.60 | | | Saladen, Rafael | f | | 2138 | COL | 1.00 | 1 | 0.19 | 10 | 1.90 | |
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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