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Individual Calculations September 2015 |
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| Martens, Nick Total change: -1.80 | |   |
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| 7.th Chess Open in Vellmar Open B | Vellmar | GER | 2015-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1542 | 1698 | 2.00 | 3 | -0.09 | 20 | -1.80 | |
|  Lambrecht, Harald | | | 1448 | GER | 1.00 | 1 | 0.19 | 20 | 3.80 | |  Koellner, Felicitas Ophelia | | | 1715 | GER | 0.50 | 1 | 0.02 | 20 | 0.40 | | | Goodwin, David | | | 1462 | GER | 0.50 | 1 | -0.30 | 20 | -6.00 | |
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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