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Individual Calculations February 2017 |
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| Halfmann, Peter Total change: -4.80 | |   |
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| Krefelder Weihnachtsopen 2016 | Krefeld | GER | 2016-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1668 | 1775 | 3.00 | 5 | -0.24 | 20 | -4.80 | |
|  Fehling, Michael, Prof. | | | 2154 | GER | 0.00 | 1 | -0.09 | 20 | -1.80 | |  Hartjes, Jenny | | | 1584 | GER | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Roth, Christian | | | 1559 | GER | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Ipekyilmaz, Mert | | | 1475 | GER | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Unkrig, Frank | | | 1568 | GER | 1.00 | 1 | 0.23 | 20 | 4.60 | |
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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