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Individual Calculations February 2023 |
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| Portmann, Daniel Total change: -16.60 | |   |
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| 46. Weihnachtsopen Zurich Allgemein | Zurich | SUI | 2022-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1615 | 1941 | 4.50 | 7 | -1.53 | 20 | -30.60 | |
|  Stoffregen, Guenter | | | 1531 | SUI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Saminskij, Jan | | | 1541 * | SUI | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Berkemer, Rainer, Dr. | | | 1766 | GER | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Brosenbauch, Maurizio | | | 1698 | SUI | 0.50 | 1 | -0.30 | 20 | -6.00 | | | Guyer, Marlon | | | 1555 | SUI | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Gartmann, Luzius | | | 1640 | SUI | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Koehalmi-Szabo, Mihaly | | | 1576 | SUI | 0.50 | 1 | -0.40 | 20 | -8.00 | | | * 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) | | | | SGM 2023 (Bundesliga und 1.Regionalliga) rounds 2-3 | decentralised | SUI | 2023-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1847 | 1954 | 2.00 | 2 | 0.70 | 20 | 14.00 | |
| | Paricharak, Shardul | | | 1855 | AHO | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Lee, Ken | | | 1838 | SUI | 1.00 | 1 | 0.34 | 20 | 6.80 | |
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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