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Individual Calculations March 2011 |
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| Del Val, Josefa Total change: 2.55 | |   |
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| 27. Open International de Genève, Kat. B | Geneva | SUI | 2010-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1699 | 1646 | 0.50 | 1 | 0.07 | 15 | 1.05 | |
|  Hendi, Peter | | | 1699 | SUI | 0.50 | 1 | 0.07 | 15 | 1.05 | |
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) | | | | Hilton Schachfestival - Amateurs | BASEL | SUI | 2011-01-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1899 | 1649 | 0.50 | 2 | 0.10 | 15 | 1.50 | |
| | Buergisser, Peter | | | 1814 | SUI | 0.50 | 1 | 0.22 | 15 | 3.30 | |  Bohrer, Ruth | | | 1984 | SUI | 0.00 | 1 | -0.12 | 15 | -1.80 | |
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) | | | | Open Burgdorf 2011 | Burgdorf | SUI | 2011-02-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1930 | 1649 | 0.50 | 3 | 0.00 | 15 | 0.00 | |
| | Portmann, Daniel | | | 2017 | SUI | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Stoeri, Laura | | | 1918 | SUI | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Weber, Rene | | | 1856 | SUI | 0.50 | 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) | | |
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