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Individual Calculations September 2015 |
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| Brahn, Helmut Total change: -4.80 | |   |
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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 |
| 1809 | 1713 | 0.50 | 2 | -0.24 | 20 | -4.80 | |
|  John, Volkmar | | | 1809 | GER | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Rother, Wilfried | | | 1809 | GER | 0.50 | 1 | 0.13 | 20 | 2.60 | |
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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