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Individual Calculations February 2023 |
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| Preissner, Laurenz Total change: 4.40 | |   |
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| Internationales Winter Open 2022 | Berlin | GER | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1835 | 1572 | 1.50 | 4 | 0.45 | 40 | 18.00 | |
|  Grossmann, Piet | | | 2004 | GER | 0.50 | 1 | 0.43 | 40 | 17.20 | |  Schletter, Felix | | | 2137 | GER | 0.00 | 1 | -0.02 | 40 | -0.80 | | | Verbitsky, Jaroslaw | | | 1952 | GER | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Christoffers, Julia | | | 1247 | GER | 1.00 | 1 | 0.13 | 40 | 5.20 | |
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 Q2 E | Potsdam | GER | 2023-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1453 | 1552 | 2.50 | 4 | -0.05 | 40 | -2.00 | |
| | Sviridov, Vitaliy | | | 1470 | GER | 0.00 | 1 | -0.61 | 40 | -24.40 | | | Niemietz, Peter | | | 1468 | GER | 0.50 | 1 | -0.12 | 40 | -4.80 | | | Walter, Axel | | | 1443 | GER | 1.00 | 1 | 0.35 | 40 | 14.00 | | | Boettcher, Tim | | | 1430 | GER | 1.00 | 1 | 0.33 | 40 | 13.20 | |
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 |
| 1429 | 1552 | 3.00 | 5 | -0.29 | 40 | -11.60 | |
| | Graf, David | | | 1324 | GER | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Thuemler, Floris | | | 1306 | GER | 0.00 | 1 | -0.81 | 40 | -32.40 | | | Breuer, Achim | | | 1581 | GER | 1.00 | 1 | 0.54 | 40 | 21.60 | | | Wolter, Kerstin | | | 1554 | GER | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Heidemann, Kristjan | | | 1378 | GER | 0.00 | 1 | -0.73 | 40 | -29.20 | |
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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