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Individual Calculations February 2023 |
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| Breuer, Achim Total change: -24.00 | |   |
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| Krefelder Weihnachtsopen 2022 | Krefeld | GER | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1782 | 1581 | 1.00 | 4 | -0.15 | 20 | -3.00 | |
|  Schopp, Jan | | | 2042 | GER | 0.00 | 1 | -0.05 | 20 | -1.00 | | | Atkins, David | | | 1727 | GER | 0.00 | 1 | -0.30 | 20 | -6.00 | |  Chamsaz, Behzad | | | 1452 | GER | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Minkovitch, Ilja | | | 1907 | GER | 0.00 | 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) | | | | Deutsche Schach-Amateurmeisterschaft 2022-2023 Q3 E | Bad Wildungen | GER | 2023-01-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1421 | 1581 | 1.00 | 3 | -1.05 | 20 | -21.00 | |
| | Draude, Theo | | | 1206 | GER | 0.00 | 1 | -0.91 | 20 | -18.20 | | | Elsner, Boris | | | 1505 | GER | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Preissner, Laurenz | | | 1552 | GER | 0.00 | 1 | -0.54 | 20 | -10.80 | |
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) | | |
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