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Individual Calculations April 2009 |
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| Potterat, Marc Total change: -6.45 | |   |
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| 32. Zurich Weihnachtsopen | Zurich | SUI | 2008-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2157 | 2163 | 2.50 | 5 | -0.07 | 15 | -1.05 | |
|  Schenker, Roberto | | | 2017 | SUI | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Moor, Roger | m | | 2357 | SUI | 0.00 | 1 | -0.25 | 15 | -3.75 | |  Rindlisbacher, Jan | | | 2010 | SUI | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Kelecevic, Nedeljko | m | | 2366 | BIH | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Tordeur, Jonathan | | | 2033 | SUI | 1.00 | 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) | | | | Open Burgdorf | Burgdorf | SUI | 2009-02-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2024 | 2162 | 3.00 | 5 | -0.36 | 15 | -5.40 | |
| | Andjelkovic, Slavoljub | | | 1930 | SUI | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Okhotnik, Vladimir | m | | 2430 | FRA | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Weber, Rene | | | 1872 | SUI | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Zier, Verena | | | 1925 | LIE | 0.50 | 1 | -0.30 | 15 | -4.50 | | | Stucki, Ramon | | | 1962 | SUI | 0.50 | 1 | -0.26 | 15 | -3.90 | |
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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