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Individual Calculations July 2008 |
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| Ceron, Edgar Ivan Total change: 19.65 | |   |
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| IRT 1ª Eliminatoria Olimpiada Absoluto | Bogotá | COL | 2008-03-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2211 | 1929 | 2.00 | 7 | 0.85 | 15 | 12.75 | |
|  Uribe, Mauricio | f | | 2279 | COL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Ayala, Mateo | | | 2180 | COL | 1.00 | 1 | 0.81 | 15 | 12.15 | |  Sanchez, Victor | | | 2210 | COL | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Suarez, Luis Humberto | | | 2179 | COL | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Nunez, Daniel | | | 2168 | COL | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Diaz, Jaime Walter | | | 2271 | COL | 0.50 | 1 | 0.38 | 15 | 5.70 | | | Aponte Castillo, Jose Ernesto | | | 2190 | COL | 0.00 | 1 | -0.18 | 15 | -2.70 | |
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 2ª Eliminatoria Olimpiada Absoluto | Cali | COL | 2008-05-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2243 | 1987 | 1.00 | 4 | 0.24 | 15 | 3.60 | |
| | Zuluaga, Cesar | f | | 2331 | COL | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Nunez, Gustavo | f | | 2233 | COL | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Martinez, Julian | | | 2217 | COL | 1.00 | 1 | 0.79 | 15 | 11.85 | | | Valle, Efrain | c | | 2191 | COL | 0.00 | 1 | -0.24 | 15 | -3.60 | |
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 Sub 20 | Bogotá | COL | 2008-05-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2100 | 1987 | 2.00 | 5 | 0.22 | 15 | 3.30 | |
| | Guerrero, Juan Carlos | | | 2232 | COL | 1.00 | 1 | 0.80 | 15 | 12.00 | | | Becerra, Juan David | | | 2105 | COL | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Sanchez, Sebastian Felipe | | | 2152 | COL | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Leano Amezquita, Humberto | | | 1831 | COL | 0.00 | 1 | -0.71 | 15 | -10.65 | | | Sanchez Maya, Simon | | | 2182 | COL | 0.00 | 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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