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Individual Calculations January 2010 |
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| Barros, Raul Total change: -0.45 | |   |
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| IRT Open de LAS AMERICAS | Medellin | COL | 2009-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2259 | 2034 | 1.00 | 3 | 0.36 | 15 | 5.40 | |
|  Panesso Rivera, Henry | m | | 2264 | COL | 0.50 | 1 | 0.29 | 15 | 4.35 | | | Beltran, Carlos Armando | | | 2242 | COL | 0.50 | 1 | 0.27 | 15 | 4.05 | |  Ruiz Aguilar, Pablo Alexander | | | 2271 | COL | 0.00 | 1 | -0.20 | 15 | -3.00 | |
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 Open Internacional Navideno Ciudad de Bogota | Bogota Colombia | COL | 2009-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2289 | 2034 | 0.00 | 2 | -0.39 | 15 | -5.85 | |
| | Clavijo, Jorge Mario | m | | 2379 | COL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Contreras, Henry | f | | 2198 | COL | 0.00 | 1 | -0.28 | 15 | -4.20 | |
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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