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Individual Calculations May 2019 |
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| Bosson, Jean-Claude Total change: -6.80 | |   |
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| Open Plainpalais 2020 round 5-6 | Payerne | SUI | 2019-04-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1779 | 1723 | 0.50 | 2 | -0.34 | 20 | -6.80 | |
|  Lesniak, Julien | | | 1763 | SUI | 0.50 | 1 | 0.06 | 20 | 1.20 | |  Brandt, Daniel | | | 1794 | SUI | 0.00 | 1 | -0.40 | 20 | -8.00 | |
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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