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Individual Calculations February 2023 |
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| Roefe, Detlef Total change: -26.20 | |   |
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| Krefelder Weihnachtsopen 2022 | Krefeld | GER | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1639 | 1895 | 2.50 | 5 | -1.31 | 20 | -26.20 | |
|  Gierhardt, Vito | | | 1495 * | GER | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Walter, Andreas | | | 2164 | GER | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Fritsch, Reinhold | | | 1534 | GER | 0.00 | 1 | -0.90 | 20 | -18.00 | | | Luven, Thomas | | | 1442 | GER | 1.00 | 1 | 0.06 | 20 | 1.20 | | | Rogge, Marloes | | | 1562 | NED | 0.50 | 1 | -0.38 | 20 | -7.60 | | | * 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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