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Individual Calculations April 2023 |
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| Federer, Colin Total change: 38.80 | |   |
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| Letzi Open 2023 | Zurich | SUI | 2023-03-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1685 | 1893 | 3.00 | 4 | 0.08 | 40 | 3.20 | |
|  Saminskij, Jan | | | 1560 | SUI | 1.00 | 1 | 0.12 | 40 | 4.80 | |  Beatty, Samuel | | | 1571 | SUI | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Mansoor, Sharif | | | 2041 | SUI | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Jordan, Theodor | | | 1566 | SUI | 1.00 | 1 | 0.13 | 40 | 5.20 | |
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 de la Broye cat. A 2023 | Payerne | SUI | 2023-03-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1967 | 1893 | 2.50 | 4 | 0.89 | 40 | 35.60 | |
| | Juchler, Celine | | | 1573 | SUI | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Papaux, Steve | | | 2148 | SUI | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Deubelbeiss, Rene | | | 1977 | SUI | 1.00 | 1 | 0.62 | 40 | 24.80 | | | Vesin, Jean-Robert | f | | 2171 | FRA | 0.00 | 1 | -0.17 | 40 | -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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