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Individual Calculations January 2009 |
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| Lo Presti, Roberto Total change: -15.75 | |   |
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| Abierto de Primavera 2008 | Buenos Aires | ARG | 2008-09-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2069 | 2122 | 2.00 | 4 | -0.29 | 15 | -4.35 | |
|  Ambrogi, Agustin | | | 2252 | ARG | 0.00 | 1 | -0.32 | 15 | -4.80 | |  Soria, Angel | | | 1958 | ARG | 0.00 | 1 | -0.72 | 15 | -10.80 | | | Da Fonseca, Jorge | | | 2021 | ARG | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Ucha, Luis | | | 2044 | ARG | 1.00 | 1 | 0.39 | 15 | 5.85 | |
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) | | | | Recordatorio Bobby Fischer 2008 | Buenos Aires | ARG | 2008-10-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1939 | 2134 | 2.50 | 5 | -1.25 | 15 | -18.75 | |
| | Albarracin, Nicolas | | | 1947 | ARG | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Arraga, Gerardo | | | 1940 | ARG | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Sammartino, Gabriel | | | 1975 | ARG | 0.00 | 1 | -0.71 | 15 | -10.65 | | | Guelman, Jorge Miguel | | | 1941 | ARG | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Fabian, Gaston | | | 1891 | ARG | 0.00 | 1 | -0.80 | 15 | -12.00 | |
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) | | | | 86 Aniv. Monte Grande | Monte Grande | ARG | 2008-10-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1962 | 2134 | 4.50 | 6 | 0.22 | 15 | 3.30 | |
| | Zalazar, Jorge | | | 1784 | ARG | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Prieu, Gustavo | | | 1957 | ARG | 0.00 | 1 | -0.73 | 15 | -10.95 | | | Meza, Anahi | | wf | 2156 | ARG | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Morales, Ramon | | | 1888 | ARG | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Sanz, Luis | | | 2004 | ARG | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Ponzo, Hector | | | 1981 | ARG | 0.50 | 1 | -0.20 | 15 | -3.00 | |
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) | | | | Copa PDV Sur Simon Bolivar | Buenos Aires | ARG | 2008-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2096 | 2134 | 3.00 | 5 | 0.27 | 15 | 4.05 | |
| | Albarracin, Nicolas | | | 1947 | ARG | 0.00 | 1 | -0.74 | 15 | -11.10 | | | Segovia, Luis | | | 1878 | ARG | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Iregui, Victor | | | 2025 | ARG | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Barrionuevo, Pablo | f | | 2340 | ARG | 1.00 | 1 | 0.76 | 15 | 11.40 | | | Wisniacki, Flavio | | | 2289 | ARG | 0.00 | 1 | -0.29 | 15 | -4.35 | |
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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