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Individual Calculations September 2009 |
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| Donatti, Alvaro Total change: -12.00 | |   |
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| Primer Olimpiada del Mercosur 2009 | Mar del Plata | ARG | 2009-06-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2229 | 2179 | 1.00 | 4 | -0.80 | 15 | -12.00 | |
|  Olivares Olivares, Claudio | | | 1996 | CHI | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Gemy, Jose Daniel | | | 2188 | BOL | 0.50 | 1 | 0.01 | 15 | 0.15 | | | Lemos, Damian | g | | 2512 | ARG | 0.00 | 1 | -0.12 | 15 | -1.80 | |  Dolorier, Smith | | | 2218 | PER | 0.00 | 1 | -0.45 | 15 | -6.75 | |
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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