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Individual Calculations September 2009 |
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| Retti, Ivan Total change: -13.80 | |   |
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| Swiss Championship U14 | Echallens | SUI | 2009-07-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1930 | 1859 | 1.50 | 5 | -0.54 | 25 | -13.50 | |
|  Studer, Noel | | | 1968 | SUI | 0.00 | 1 | -0.35 | 25 | -8.75 | |  Saikrishnan, Sai | | | 1884 | SUI | 1.00 | 1 | 0.53 | 25 | 13.25 | | | Hasenohr, Benedict | | | 2080 | SUI | 0.00 | 1 | -0.22 | 25 | -5.50 | | | Skouvaklis, Alexis | | | 2018 | SUI | 0.00 | 1 | -0.29 | 25 | -7.25 | | | Turki, Salim | | | 1698 | SUI | 0.50 | 1 | -0.21 | 25 | -5.25 | |
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) | | | NOTE: K factor changed | | 18. Open Int. de Martigny | Martigny | SUI | 2009-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2115 | 1859 | 1.00 | 5 | -0.02 | 15 | -0.30 | |
| | Kasparov, Sergey | g | | 2259 * | BLR | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Vianin, Pascal | | | 2201 | SUI | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Fischer, Paul | | | 1909 | SUI | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Filipovic, Irena | | | 2087 | CRO | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Beney, Eddy | | | 2117 | SUI | 0.00 | 1 | -0.18 | 15 | -2.70 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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