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Individual Calculations October 2008 |
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| Rojas Barrero, Andres H Total change: -20.55 | |   |
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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 |
| 2129 | 2236 | 3.00 | 4 | 0.44 | 15 | 6.60 | |
|  Almanza, Rafael Andres | | | 2046 | COL | 0.00 | 1 | -0.75 | 15 | -11.25 | | | Soste, Victor | | | 2029 | COL | 1.00 | 1 | 0.23 | 15 | 3.45 | |  Ramirez, Heimy Polgar | | | 2047 | COL | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Castro, Oscar H | m | | 2392 | COL | 1.00 | 1 | 0.71 | 15 | 10.65 | |
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) | | | | TAEI Sicoopweb | Bogota | COL | 2008-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2089 | 2274 | 8.50 | 11 | 0.51 | 15 | 7.65 | |
| | Cifuentes, Jhon Jairo | c | | 2181 | COL | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Monroy Herrera, Cesar | | | 2043 | COL | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Gutierrez, Antonio | | | 2043 | COL | 0.50 | 1 | -0.29 | 15 | -4.35 | | | Salcedo, Edison | | | 2118 | COL | 0.50 | 1 | -0.21 | 15 | -3.15 | | | Gutierrez Penagos, Sebastian | | | 2070 | COL | 0.50 | 1 | -0.26 | 15 | -3.90 | | | Smith, Russell | | | 1936 | TRI | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Ruiz C, Joshua D | c | | 2225 | COL | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Smith, Javanna | | | 2043 | TRI | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Rivera, Alberto | m | | 2369 | CUB | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Calderon Zuluaga, Andrea | | | 1978 | COL | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Monroy Puerto, Mariana | | | 1978 | COL | 1.00 | 1 | 0.15 | 15 | 2.25 | |
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 Barrancabermeja | Barrancabermeja | COL | 2008-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2238 | 2274 | 4.00 | 6 | 0.78 | 15 | 11.70 | |
| | Zapata Hincapie, Jhon Alexander | | | 2020 | COL | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Gomez, Andres Felipe | | | 1999 | COL | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Mosquera, Miguel | m | | 2377 | COL | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Rivera, Alberto | m | | 2369 | CUB | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Clavijo, Jorge Mario | m | | 2341 | COL | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Lopez, Carlos Manuel | f | | 2319 | CUB | 0.50 | 1 | 0.06 | 15 | 0.90 | |
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) | | | | IRT Open Feria de las Flores | Medellin | COL | 2008-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2048 | 2274 | 3.50 | 9 | -3.49 | 15 | -52.35 | |
| | Castro, Natalia Patricia | | | 2007 | COL | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Valencia, Camilo | | | 2089 | COL | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Garcia, Alvaro | f | | 2157 | COL | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Valle, Efrain | c | | 2162 | COL | 0.00 | 1 | -0.65 | 15 | -9.75 | | | Castaneda, Jhon David | | | 2096 | COL | 0.00 | 1 | -0.73 | 15 | -10.95 | | | Calderon, Karen Lineth | | | 1948 | COL | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Villa, Olivia Rosalba | | | 2015 | COL | 0.00 | 1 | -0.82 | 15 | -12.30 | | | Lopez Idarraga, Daniel Eduardo | | | 1928 | COL | 0.00 | 1 | -0.89 | 15 | -13.35 | | | Barros, Raul Jr | f | | 2026 | COL | 0.00 | 1 | -0.81 | 15 | -12.15 | |
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 |
| 2348 | 2274 | 2.00 | 4 | 0.39 | 15 | 5.85 | |
| | Becerra, Juan David | | | 2114 | COL | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Escobar Forero, Alder | m | | 2468 | COL | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Castro, Oscar H | m | | 2392 | COL | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Barrientos, Sergio E | m | | 2418 | COL | 0.00 | 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) | | |
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