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Individual Calculations June 2017 |
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| Halfmann, Peter Total change: -15.40 | |   |
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| 2. Kaarster Rathausopen | Kaarst | GER | 2017-04-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1883 | 1770 | 2.50 | 5 | 0.71 | 20 | 14.20 | |
|  Toma, Yanis | | | 1424 | GER | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Rothberg, Olaf | | | 1997 | GER | 0.50 | 1 | 0.29 | 20 | 5.80 | |  Oltzen, Samuel | | | 1905 | GER | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Verfuerth, Kevin | | | 1939 | GER | 0.50 | 1 | 0.22 | 20 | 4.40 | | | Van Der Valk, Niklas | | | 2151 | GER | 0.00 | 1 | -0.09 | 20 | -1.80 | |
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) | | | | 32. Ruhrhalbinsel-Open | Essen | GER | 2017-05-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1712 | 1784 | 1.50 | 5 | -1.48 | 20 | -29.60 | |
| | Schleining, Zoya | m | wg | 2184 * | GER | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Wickenfeld, Udo | | | 1503 | GER | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Biermann, Florian | | | 1853 | GER | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Zeleny, Luca | | | 1548 | GER | 0.00 | 1 | -0.80 | 20 | -16.00 | | | Krawiec, Jan | | | 1470 | GER | 1.00 | 1 | 0.14 | 20 | 2.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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