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Individual Calculations July 2009 |
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| Piazza, Carlo Total change: -16.80 | |   |
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| SGM 2009 (League 1 & 2) | decentralised | SUI | 2008-10-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2245 | 2061 | 0.00 | 4 | -1.05 | 15 | -15.75 | |
|  Schaufelberger, Heinz | f | | 2293 | SUI | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Siegel, Georg | m | | 2297 | GER | 0.00 | 1 | -0.20 | 15 | -3.00 | |  Vianin, Pascal | | | 2158 | SUI | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Hirzel, Andre | | | 2233 | SUI | 0.00 | 1 | -0.27 | 15 | -4.05 | |
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) | | | | Open Neuchatel | Neuchatel | SUI | 2009-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2019 | 2094 | 3.50 | 6 | -0.07 | 15 | -1.05 | |
| | Bonferroni, Thierry | | | 1820 | SUI | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Unternaehrer, Nicolas | | | 1939 | SUI | 0.00 | 1 | -0.71 | 15 | -10.65 | | | Bonferroni, Carlo | | | 1867 | SUI | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Zarri, Florian | | | 1959 | SUI | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Ermeni, Avni | | | 2300 | SRB | 0.50 | 1 | 0.26 | 15 | 3.90 | | | Gagliardi, Christian | | | 2230 | ITA | 0.00 | 1 | -0.32 | 15 | -4.80 | |
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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