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Individual Calculations January 2020 |
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| Zahner, Rolf Total change: -44.20 | |   |
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| Open du Jura 2019 (round 4-7) | Porrentruy | SUI | 2019-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1411 | 1485 | 0.00 | 2 | -1.17 | 20 | -23.40 | |
|  Schaerer, Marie-Anne | | | 1598 | SUI | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Hirt, Benjamin | | | 1223 | SUI | 0.00 | 1 | -0.82 | 20 | -16.40 | |
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) | | | | San Bernardino Ski Open 2019 | San Bernardino | SUI | 2019-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1740 | 1485 | 0.00 | 5 | -1.04 | 20 | -20.80 | |
| | Potterat, Marc | | | 1885 * | SUI | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Potterat, Aaron | | | 1678 | SUI | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Sijbring, Henk | | | 1588 | SUI | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Weissenhofer, Jonas | | | 1662 | LIE | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Van Zyl-Rudd, Jack | f | | 1885 * | RSA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | * 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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