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Individual Calculations September 2017 |
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| Koppen, Willem Total change: -39.60 | |   |
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| Biel Main Tournament (ATO) 2017 | Biel | SUI | 2017-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1561 | 1560 | 2.50 | 9 | -1.98 | 20 | -39.60 | |
|  Schweizer, Robert | | | 1835 | SUI | 0.00 | 1 | -0.17 | 20 | -3.40 | |  Rickli, Juerg Michel | | | 1738 | SUI | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Stroo, Kees | | | 1366 | SUI | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Bisig, Richard | | | 1770 | SUI | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Peclard, Jean-Claude | | | 1295 | SUI | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Grabe, Eckart | | | 1671 | GER | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Bernhard, Werner | | | 1343 | SUI | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Hadorn, Rudolf | | | 1662 | SUI | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Tiersbier, Andreas | | | 1367 | SUI | 0.00 | 1 | -0.75 | 20 | -15.00 | |
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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