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Individual Calculations July 2008 |
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| Sierra, Edwin Andres Total change: 38.00 | |   |
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| IRT 1ª Eliminatoria Olimpiada Absoluto | Bogotá | COL | 2008-03-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2219 | 2083 | 0.50 | 4 | -0.78 | 25 | -19.50 | |
|  Ramirez, Carlos | f | | 2249 | COL | 0.00 | 1 | -0.28 | 25 | -7.00 | |  Jimenez, Jose Mauricio | | | 2228 | COL | 0.00 | 1 | -0.31 | 25 | -7.75 | | | Martinez, Jorge Alexander | | | 2195 | COL | 0.50 | 1 | 0.15 | 25 | 3.75 | | | Montenegro, Rolando | | | 2203 | COL | 0.00 | 1 | -0.34 | 25 | -8.50 | |
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 2ª Eliminatoria Olimpiada Absoluto | Cali | COL | 2008-05-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2304 | 2083 | 0.50 | 1 | 0.28 | 25 | 7.00 | |
| | Cuartas, Jorge Humberto | f | | 2304 | COL | 0.50 | 1 | 0.28 | 25 | 7.00 | |
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) | | | | IRT 3ª Eliminatoria Olimpiada Absoluto | Bucaramanga | COL | 2008-05-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2286 | 2083 | 3.50 | 6 | 2.02 | 25 | 50.50 | |
| | Martinez, Julian | | | 2217 | COL | 0.50 | 1 | 0.18 | 25 | 4.50 | | | Diaz, Jaime Walter | | | 2271 | COL | 1.00 | 1 | 0.74 | 25 | 18.50 | | | Ramirez, Carlos | f | | 2249 | COL | 1.00 | 1 | 0.72 | 25 | 18.00 | | | Mosquera, Miguel | m | | 2398 | COL | 0.00 | 1 | -0.14 | 25 | -3.50 | | | Peinado, Giovanny | | | 2233 | COL | 0.50 | 1 | 0.20 | 25 | 5.00 | | | Tapia, Daniel | f | | 2348 | COL | 0.50 | 1 | 0.32 | 25 | 8.00 | |
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) | | |
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