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Individual Calculations August 2012 |
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| Contreras, Miguel Total change: 2.40 | |   |
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| Open IRT Liga de Ajedrez de Bogota Julio | Bogota | COL | 2012-07-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1933 | 1780 | 1.00 | 3 | 0.08 | 30 | 2.40 | |
|  Benavides Moncayo, Olga | | | 1902 | COL | 0.50 | 1 | 0.17 | 30 | 5.10 | | | Estrella Becerra, Fernando | | | 2057 | COL | 0.50 | 1 | 0.33 | 30 | 9.90 | | | Contreras R, Wilson Mauricio | | | 1839 | COL | 0.00 | 1 | -0.42 | 30 | -12.60 | |
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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