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Individual Calculations September 2021 |
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| Bretscher, Robert Total change: -23.20 | |   |
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| Biel Chess Festival 2021 - ATO | Biel | SUI | 2021-07-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1486 | 1452 | 1.50 | 6 | -1.16 | 20 | -23.20 | |
|  Wenger, Arejou | | | 1832 | SUI | 0.00 | 1 | -0.09 | 20 | -1.80 | |  Freiburghaus, Simon | | | 1736 | SUI | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Briand, Edouard | | | 1076 | FRA | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Funk, Kurt | | | 1578 | SUI | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Guarisco, Renzo | | | 1641 | SUI | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Mailler, Michael | | | 1054 | SUI | 0.50 | 1 | -0.42 | 20 | -8.40 | |
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) | | |
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