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Individual Calculations October 2014 |
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| Zapata, Olga Maria Total change: -13.60 | |   |
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| Campeonato Panamericano de Ajedrez Amateur 2014 | San Andres Islas | COL | 2014-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1955 | 1740 | 0.00 | 3 | -0.68 | 20 | -13.60 | |
|  Martinez Llamas, Amaury A | | | 1956 | COL | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Silva, Jorge | | | 1926 | COL | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Barraza, Luis Alberto | | | 1984 | COL | 0.00 | 1 | -0.20 | 20 | -4.00 | |
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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