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Individual Calculations January 2010 |
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| Avila, Pedro Andres Total change: 24.45 | |   |
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| Juegos Nacionales Universitarios Ajedrez Absoluto | Pereira (Colombia) | COL | 2009-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2232 | 2093 | 3.00 | 5 | 1.38 | 15 | 20.70 | |
|  Guerrero, Juan Carlos | m | | 2260 | COL | 0.50 | 1 | 0.22 | 15 | 3.30 | |  Otalora, Carlos Eduardo | | | 2064 | COL | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Marin, Sebastian | | | 2362 | COL | 1.00 | 1 | 0.83 | 15 | 12.45 | | | Maya, Juan Carlos | | | 2143 | COL | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Arenas, David | m | | 2333 | COL | 0.50 | 1 | 0.30 | 15 | 4.50 | |
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 Open Internacional Navideno Ciudad de Bogota | Bogota Colombia | COL | 2009-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2053 | 2093 | 3.00 | 5 | 0.25 | 15 | 3.75 | |
| | Castro, Oscar H | m | | 2369 | COL | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Corpus Vanegas, Eugenio | | | 1797 | COL | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Cardozo, Carlos Eduardo | | | 1795 | COL | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Rivera, Alberto | m | | 2356 | CUB | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Palacio, Pablo Persi | | | 1946 | COL | 1.00 | 1 | 0.30 | 15 | 4.50 | |
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) | | |
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