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Individual Calculations April 2009 |
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| Lo Presti, Roberto Total change: -1.50 | |   |
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| Grand Prix 1° Etapa Club Argentino | Buenos Aires | ARG | 2009-02-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2009 | 2118 | 4.50 | 7 | 0.05 | 15 | 0.75 | |
|  Covelli, Luis | | | 1768 | ARG | 1.00 | 1 | 0.11 | 15 | 1.65 | |  Soto, Jose Manuel | | | 1893 | VEN | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Torella, Rodolfo | | | 2055 | ARG | 0.00 | 1 | -0.59 | 15 | -8.85 | | | Garcia, Raimundo | m | | 2348 | ARG | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Ucha, Luis | | | 1992 | ARG | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Caceres Recalde, Fernando | | | 1920 | ARG | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Vazquez, Maximiliano | | | 2085 | VEN | 0.50 | 1 | -0.05 | 15 | -0.75 | |
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) | | | | IRT Cayetano Rebizzo 2009 | Monte Grande | ARG | 2009-02-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2170 | 2118 | 2.00 | 5 | -0.15 | 15 | -2.25 | |
| | Nedilsky, Diego | f | | 2285 | ARG | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Ponzo, Fabian | | | 2114 | ARG | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Vigil, Lucas | | | 1942 | ARG | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Wisniacki, Flavio | | | 2266 | ARG | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Juarez, Alberto | f | | 2245 | ARG | 0.00 | 1 | -0.33 | 15 | -4.95 | |
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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