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Individual Calculations September 2022 |
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| Koellner, Christof Total change: 6.40 | |   |
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| Deutsche Schach-Amateurmeisterschaft 2022 Q4 A | Willingen | GER | 2022-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2223 | 2081 | 1.50 | 5 | -0.05 | 20 | -1.00 | |
|  Van Der Valk, Niklas | | | 2208 | GER | 1.00 | 1 | 0.67 | 20 | 13.40 | |  Chilla, Jan Eric | | | 2247 | GER | 0.50 | 1 | 0.22 | 20 | 4.40 | | | Kersten, Uwe | m | | 2253 | GER | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Humburg, Philipp | f | | 2253 | GER | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Kather, Yannick | | | 2152 | GER | 0.00 | 1 | -0.40 | 20 | -8.00 | |
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) | | | | 6. Bayer Sommeropen 2022 | Leverkusen | GER | 2022-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2018 | 2052 | 2.50 | 4 | 0.37 | 20 | 7.40 | |
| | Rouditser, Benjamin | | | 1869 | GER | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Bruens, Steffen | | | 1741 | GER | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Asadzade, Idris | | | 2229 | GER | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Volkov, Mykyta | | | 2233 | GER | 0.00 | 1 | -0.26 | 20 | -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) | | |
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