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Individual Calculations November 2011 |
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| Ospina Ortiz, Oscar Alexander Total change: -14.10 | |   |
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| IRT Distrital por Equipos Empresarial y Universitario | Bogota | COL | 2011-09-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2258 | 1966 | 0.00 | 1 | -0.15 | 15 | -2.25 | |
|  Trujillo, Otoniel | | | 2258 | COL | 0.00 | 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) | | | | V Festival Internacional de Ajedrez Elite Univesidad Central | Bogota | COL | 2011-10-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1939 | 1966 | 2.50 | 6 | -0.79 | 15 | -11.85 | |
| | Barrientos, Sergio E | g | | 2366 * | COL | 0.00 | 1 | -0.08 | 15 | -1.20 | |  Garzon, Laura | | | 1649 | COL | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Martinez, Christian | | | 2234 | COL | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Caceres Quintero, Gerson Mauric | | | 1722 | COL | 0.50 | 1 | -0.30 | 15 | -4.50 | | | Nieto, Guillermo Luigui Ubald | | | 1812 | COL | 0.00 | 1 | -0.71 | 15 | -10.65 | | | Jimenez, Leonardo Andres | | | 1849 | COL | 1.00 | 1 | 0.34 | 15 | 5.10 | | | * 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) | | |
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