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Individual Calculations April 2009 |
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| Ferraro, Oscar A. Total change: 8.00 | |   |
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| 59 Abierto de Villa Ballester | Villa Ballester, Buenos Aires | ARG | 2009-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1999 | 1788 | 1.50 | 5 | 0.32 | 25 | 8.00 | |
|  Perez, Maximiliano | | | 2120 | ARG | 0.00 | 1 | -0.12 | 25 | -3.00 | | | Pichot, Alan | f | | 1984 | ARG | 0.00 | 1 | -0.25 | 25 | -6.25 | | | Goldwaser, Romina | | | 1971 | ARG | 0.00 | 1 | -0.26 | 25 | -6.50 | |  Anaya, Mario M. | | | 1957 | ARG | 0.50 | 1 | 0.22 | 25 | 5.50 | | | Martinez Denegri, Agustina | | | 1964 | ARG | 1.00 | 1 | 0.73 | 25 | 18.25 | |
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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