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Individual Calculations January 2009 |
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| Valencia, Andres Felipe Total change: -25.50 | |   |
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| Nacional Escolar Sub 17 | Barranquilla | COL | 2008-11-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2052 | 1959 | 0.50 | 4 | -1.02 | 25 | -25.50 | |
|  De Arco, Luis Carlos | | | 2182 | COL | 0.00 | 1 | -0.22 | 25 | -5.50 | |  Lugo Lozano, Luz Adriana | | | 1940 | COL | 0.50 | 1 | -0.03 | 25 | -0.75 | | | Santos, Natalia Andrea | | | 1981 | COL | 0.00 | 1 | -0.47 | 25 | -11.75 | | | Guerrero Fandino, Gustavo A | | | 2106 | COL | 0.00 | 1 | -0.30 | 25 | -7.50 | |
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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